brumfield cain warden argued march decided june petitioner kevan brumfield convicted murder louisiana sentenced death held eighth amendment prohibits execution intellectually disabled atkins virginia implementing atkins mandate see louisiana determined evidentiary hearing required defendant provide objective factors sufficient raise reasonable believe intellectual disability defined subaverage intelligence measured objective standardized iq tests significant impairment several areas adaptive skills manifestations disorder developmental stage state williams la soon williams decision brumfield amended pending state postconviction petition raise atkins claim seeking evidentiary hearing pointed evidence introduced sentencing iq reading level prescribed numerous medications treated psychiatric hospitals child identified learning disability placed special education classes trial dismissed brumfield petition without holding hearing granting funds conduct additional investigation brumfield subsequently sought federal habeas relief district found state rejection brumfield claim contrary involved unreasonable application clearly established federal law determined based unreasonable determination facts light evidence presented state proceeding went determine brumfield intellectually disabled fifth circuit found brumfield petition failed satisfy either requirements reversed held brumfield satisfied requirements entitled atkins claim considered merits federal pp two underlying factual determinations state trial decision premised brumfield iq score inconsistent diagnosis intellectual disability presented evidence adaptive impairment unreasonable standard satisfied need address pp expert trial testimony brumfield scored iq test entirely consistent intellectual disability every iq score margin error accounting margin error sources williams relied defining subaverage intelligence describe score consistent intellectual disability diagnosis evidence presented trial iq test sufficiently rigorous preclude possibility brumfield possessed subaverage intelligence pp record contains sufficient evidence suggest brumfield meet criteria adaptive impairment test favorable state individual like brumfield must show substantial functional limitation three six areas major life activity williams brumfield placed special education classes early age suspected learning disability barely read level seem deficient two areas nderstanding use language earning ibid low birth weight commitment mental health facilities young age officials administration antipsychotic sedative drugs time indicate may well significant deficits least one remaining four areas light evidence fact record contains contrary evidence said foreclose reasonable doubt intellectual disability given brumfield trial occurred atkins trial taken account evidence sought introduced time brumfield intellectual disability issue pp state two additional arguments rejected state press theory supplies governing standard evaluating whether habeas petitioner satisfied requirements issue addressed state trial made finding brumfield failed produce evidence suggesting meet manifestations developmental stage requirement intellectual disability determination point federal must defer assessing whether brumfield satisfied event state record contained ample evidence creating reasonable doubt whether brumfield disability manifested adulthood pp vacated remanded sotomayor delivered opinion kennedy ginsburg breyer kagan joined thomas filed dissenting opinion part roberts scalia alito joined alito filed dissenting opinion roberts joined opinion notice opinion subject formal revision publication preliminary print reports readers requested notify reporter decisions washington typographical formal errors order corrections may made preliminary print goes press kevan brumfield petitioner burl cain warden writ certiorari appeals fifth circuit june justice sotomayor delivered opinion atkins virginia recognized execution intellectually disabled contravenes eighth amendment prohibition cruel unusual punishment atkins decided petitioner louisiana inmate requested opportunity prove intellectually disabled state without affording evidentiary hearing granting time funding secure expert evidence state rejected petitioner claim decision hold based unreasonable determination facts light evidence presented state proceeding petitioner therefore entitled atkins claim considered merits federal petitioner kevan brumfield sentenced death murder baton rouge police officer betty smothers brumfield accompanied another individual shot killed officer smothers escorting manager grocery store bank time brumfield trial precedent permitted imposition death penalty intellectually disabled persons see penry lynaugh opinion atkins subsequently held light standards decency eighth amendment substantive restriction state power take life mentally retarded offender quoting ford wainwright acknowledging disagreement regarding determin offenders fact intellectually disabled left state task developing appropriate ways enforce constitutional restriction upon execution sentences internal quotation marks omitted alterations original louisiana took charge implementing atkins mandate state williams la held diagnosis mental retardation three distinct components subaverage intelligence measured objective standardized iq tests significant impairment several areas adaptive skills manifestations disorder developmental stage relying inter alia american association mental retardation mental retardation definition classification systems supports ed aamr american psychiatric association diagnostic statistical manual mental disorders rev ed see also la code crim proc art west cum supp subsequently enacted statute governing atkins claims adopting three williams criteria williams also clarified everyone faced death penalty sentence automatically entitled hearing rather individual defendant burden provide objective factors put issue fact mental retardation borrowing state statutory standard determining pretrial competency inquiry necessary held atkins evidentiary hearing required inmate put forward sufficient evidence raise believe intellectually disabled see see also characterizing requisite showing one raising shortly williams decision brumfield amended pending state postconviction petition raise atkins claim sought evidentiary hearing issue asserting case accompanied host objective facts raise issue mental retardation app support brumfield pointed mitigation evidence introduced sentencing phase trial focused testimony three witnesses particular mother cecile guin social worker compiled history brumfield consulting available records conducting interviews family members teachers john bolter clinical neuropsychologist performed number cognitive tests brumfield psychologist brian jordan also examined brumfield prepared report testify trial brumfield contended evidence showed among things registered iq score reading level prescribed numerous medications treated psychiatric hospitals child identified form learning disability placed special education classes see brumfield requested resources necessary proper presentation case asserting able retain services various experts premature address claims without holding evidentiary hearing granting funds conduct additional investigation state trial dismissed brumfield petition respect request atkins hearing stated looked application response record portions transcript issue evidence presented including bolter testimony guinn sic testimony refers discusses jordan report based since issue lot testimony jordan report bolter particular found iq jordan actually came little bit higher iq think defendant demonstrated impairment based record adaptive skills doctor testified personality sociopath explained someone conscience defendant carried burden placing claim mental retardation issue therefore find entitled hearing based things set app pet cert louisiana summarily denied application supervisory writ review trial ruling brumfield state la brumfield filed petition habeas corpus federal pressing atkins claim pursuant antiterrorism effective death penalty act aedpa brumfield secure relief state rejection claim either contrary involved unreasonable application clearly established federal law determined based unreasonable determination facts light evidence presented state proceeding district found requirements met supp md la first district held denying brumfield evidentiary hearing without first granting funding develop atkins claim represented unreasonable application due process law thus satisfying second alternative district found state decision denying brumfield hearing suffered unreasonable determination facts light evidence presented state habeas proceeding violation ibid district determined brumfield intellectually disabled based extensive evidence received evidentiary hearing see cullen pinholster slip recognizing federal habeas courts may take new evidence evidentiary hearing bar relief evidence included results various iq tests adjusted account measurement errors indicated brumfield iq score supp testimony expert reports regarding brumfield adaptive behavior significantly limited conceptual skills proof deficits intellectual functioning exhibited brumfield reached adulthood thus district held brumfield demonstrated mentally retarded defined louisiana law ineligible execution appeals fifth circuit reversed held brumfield federal habeas petition failed satisfy either requirements respect district conclusion state unreasonably applied clearly established federal law fifth circuit rejected notion precedents required state grant atkins claimant funds necessary make threshold showing intellectual disability see district holding state decision rested unreasonable determination facts fifth circuit declared review record persuad ed state abuse discretion denied brumfield evidentiary hearing found brumfield petition failed clear hurdle fifth circuit review district conclusion brumfield fact intellectually disabled see granted certiorari aspects fifth circuit analysis vacate decision remand proceedings ii brumfield advances rationales district relied holding satisfied agree state rejection brumfield request atkins hearing premised unreasonable determination facts within meaning need address whether refusal grant expert funding least opportunity seek pro bono expert assistance threshold showing reflected unreasonable application clearly established federal law conducting inquiry like courts look louisiana summary denial brumfield petition review evaluate state trial reasoned decision refusing grant brumfield atkins evidentiary hearing see johnson williams slip ylst nunnemaker like brumfield question propriety legal standard trial applied presume rule according evidentiary hearing capital defendants raise reasonable doubt intellectual disability consistent decision atkins instead train attention two underlying factual determinations trial decision premised brumfield iq score inconsistent diagnosis intellectual disability presented evidence adaptive impairment app pet cert may characterize factual determinations unreasonable merely reached different conclusion first instance wood allen instead requires accord state trial substantial deference easonable minds reviewing record might disagree finding question habeas review suffice supersede trial determination ibid quoting rice collins also observed however ven context federal habeas deference imply abandonment abdication judicial review definition preclude relief cockrell examination record state compels us conclude critical factual determinations unreasonable state trial rejection brumfield request atkins hearing rested first bolter testimony brumfield scored iq test may scored higher another test see app pet cert scores state apparently believed belied claim brumfield intellectually disabled necessarily precluded possibility possessed subaverage intelligence first three criteria necessary finding intellectual disability fact evidence entirely consistent intellectual disability qualify significantly subaverage general intellectual functioning louisiana one must two standard deviations mean test intellectual functioning williams internal quotation marks omitted wechsler scale iq scale employed bolter equate score less see louisiana cautioned williams however iq test result assessed vacuum accord sound statistical methods explained assessment intellectual functioning primary reliance iq tests must tempered attention possible errors measurement ibid thus williams held lthough louisiana definition significantly subaverage intellectual functioning specifically use word sem standard error measurement iq test score margin error factor assessing mental retardation accounting margin error brumfield reported iq test result squarely range potential intellectual disability sources williams relied defining subaverage intelligence describe score consistent diagnosis see aamr see also state dunn la ranges associated two scores brush threshold score mental retardation diagnosis relying similar authorities observed atkins iq lower typically considered cutoff iq score intellectual function prong mental retardation definition indeed adopting definitions louisiana anticipated holding hall florida unconstitutional foreclose exploration intellectual disability simply capital defendant deemed iq slip see also slip professionals diagnose law determine whether intellectual disability exists sem applies individual iq score inquiry consider factors indicating whether person deficits adaptive functioning conclude state trial brumfield reported iq score somehow demonstrated possess subaverage intelligence therefore reflected unreasonable determination facts evidence higher iq test score render state determination reasonable state claimed jordan examined brumfield never testified trial came little bit higher iq app pet cert trial existence test score mentioned bolter simply acknowledged following jordan rated intelligence little higher jordan also screening test gave standardized measure intellectual functioning app fact jordan written report provides iq score see state therefore reasonably infer evidence examination jordan performed sufficiently rigorous preclude definitively possibility brumfield possessed subaverage intelligence see state dunn la ordering atkins evidentiary hearing even though prison records indicate defendant iq emphasizing testimony prison officials formal iq testing state refusal grant brumfield request atkins evidentiary hearing rested next conclusion record failed raise question brumfield impairment adaptive skills app pet cert determination also unreasonable adaptive impairment prong intellectual disability diagnosis requires evaluation individual ability function across variety dimensions louisiana williams described three separate sets criteria may utilized making assessment see although louisiana courts appear utilize three tests evaluating adaptive impairment see dunn sake simplicity assume third tests derived louisiana statutory law governed appears favorable standard individual may intellectually disabled substantial functional limitations three following areas major life activity ii understanding use language iii learning iv mobility vi capacity independent living williams quoting la rev stat ann repealed record state contained sufficient evidence raise question whether brumfield met criteria sentencing hearing brumfield mother testified brumfield born prematurely low birth weight app also recounted taken school fifth grade hospitalized due behavior recalled incident suffered seizure social worker guin elaborated testimony explaining brumfield low birth weight indicated something ha gone wrong pregnancy medical records suggested brumfield slower responses normal babies knew something wrong point guin also confirmed beginning fifth grade brumfield placed special classes school multiple mental health facilities prescribed antipsychotics sedatives moreover one report guin reviewed facility treated brumfield child questioned intellectual functions opined probably learning disability related type slowness motor development type physiological problem guin reached similar conclusion stating brumfield obviously physiologically linked learning disability born basic problem process information finally bolter performed comprehensive battery tests confirmed brumfield borderline general level intelligence low intellect manifested reading level reached level bolter elaborated respect simple word recognition even comprehension see also written report submitted state bolter noted brumfield deficiencies frequently seen individuals history learning disabilities clearly learning characteristics make difficult acquire new information bolter also testified brumfield low birth weight place risk form potential neurological trauma affirmed medications administered brumfield child generally reserved severe cases told evidence record provided substantial grounds question brumfield adaptive functioning individual like brumfield placed special education classes early age suspected learning disability barely read level certainly seem deficient nderstanding use language earning two six areas major life activity identified williams evidence low birth weight commitment mental health facilities young age officials administration antipsychotic sedative drugs time indicate brumfield may well significant deficits least one remaining four areas see ibid advancing contrary view record state noted bolter described brumfield someone antisocial personality app see app pet cert relevance diagnosis however unclear antisocial personality inconsistent areas adaptive impairment intellectual disability generally one sources williams relied defining intellectual disability provides diagnostic criteria mental retardation include exclusion criterion therefore diagnosis made regardless addition presence another disorder see also aamr noting individuals intellectual disability also tend number mental health disorders including personality disorders sure dissent emphasizes post evidence record state may cut brumfield claim intellectual disability perhaps significant written report bolter stated brumfield appears normal neurocognitive perspective normal capacity learn acquire information given opportunity repetition problem solving reasoning skills adequate app likewise underlying facts brumfield crime might arguably provide reason think brumfield possessed certain adaptive skills murder convicted required degree advanced planning involved acquisition car guns cf aamr intellectually disabled persons may strengths social physical capabilities strengths adaptive skill areas strengths one aspect adaptive skill otherwise show overall limitation critical remember however seeking evidentiary hearing brumfield obligated show intellectually disabled even likely able prove much rather brumfield needed raise reasonable doubt intellectual disability entitled evidentiary hearing see williams louisiana decision williams illustrated low threshold evidentiary hearing intended held defendant entitled hearing atkins claim notwithstanding fact defense expert testified unequivocally guilt penalty phases trial defendant mentally retarded assessment based fact defendant deficient adaptive functioning see also dunn ordering hearing despite expert testimony defendant never identified child slow learner received college credit courses completed incarceration similarly light evidence brumfield deficiencies none countervailing evidence said foreclose reasonable doubt individual points evidence risk neurological trauma birth diagnosed learning disability placed special education classes committed mental health facilities given powerful medication reads level simply process information raised substantial reason believe suffers adaptive impairments facts alone sufficient raise doubt brumfield adaptive impairments apparent given brumfield yet opportunity develop record purpose proving intellectual disability claim trial brumfield little reason investigate present evidence relating intellectual disability fact done penalty phase ran risk enhance likelihood future dangerousness found jury atkins thus given evidence trial provided good reason think brumfield suffered intellectual disability even greater cause believe might prove claim full evidentiary hearing indeed louisiana made clear capital defendant brumfield position accorded additional benefit doubt defined standard assessing whether hearing required echoing atkins observation evidence intellectual disability sword williams noted trial conducted prior atkins defense trial strategy may shift focus away diagnosis mental retardation reason williams considered fact defendant ha issue mental retardation put fact finder light atkins restriction death penalty factor supporting requisite threshold showing entitled evidentiary hearing accord dunn state trial taken account evidence sought introduced time brumfield intellectual disability issue failure resulted unreasonable determination facts iii urging affirmance decision state advances two additional arguments need discuss briefly first state suggests rather evaluated pursuant unreasonable determination facts standard brumfield attack state trial decision instead arguably deferential standard set brief respondent quoting wood yet defined precise relationship burt titlow slip need state press theory supplies governing standard evaluates whether habeas petitioner satisfied requirements fifth circuit address possibility state brief opposition certiorari failed advance specific argument decision supported invocation statutory provision see brief opposition argument therefore properly waived granite rock teamsters quoting rule second state contends brumfield request atkins hearing properly rejected record evidence failed show brumfield intellectual deficiencies manifested developmental stage reached adulthood williams state trial never made finding brumfield failed produce evidence suggesting meet requirement thus determination point federal must defer assessing whether brumfield satisfied see panetti quarterman compare wiggins smith reviewing de novo question whether petitioner suffered prejudice state reasoned decision rejecting claim strickland washington premised solely conclusion attorney performance constitutionally deficient harrington richter requiring federal habeas defer hypothetical reasons state might given rejecting federal claim opinion explaining reasons relief denied event record contained ample evidence creating reasonable doubt whether brumfield disability manifested adulthood guin bolter testified length brumfield intellectual shortcomings child possible connection low birth weight brumfield presented sufficient evidence suggest intellectually limited made clear little question also established good reason think since child finally offer additional words response justice thomas dissent deny brumfield crimes terrible causing untold pain victims families called upon today resolve different issue already one death society rightly condemns question whether brumfield cleared aedpa procedural hurdles thus entitled hearing show lacked capacity violate eighth amendment permit state impose law severe sentence hall slip take life well question question alone answer affirmative hold brumfield satisfied requirements judgment appeals fifth circuit therefore vacated case remanded proceedings consistent opinion ordered thomas dissenting kevan brumfield petitioner burl cain warden writ certiorari appeals fifth circuit june justice thomas chief justice justice scalia justice alito join part dissenting federal collateral review state convictions interrupts enforcement state criminal laws undermines finality judgments antiterrorism effective death penalty act aedpa addresses interference constraining ability federal courts grant relief state prisoners today oversteps limits decision fails respect louisiana state courts precedents respectfully dissent case study contrasts one hand kevan brumfield man murdered louisiana police officer betty smothers spent last years claiming actions product circumstances beyond control hand warrick dunn eldest son corporal smothers responded circumstances beyond control caring family building professional football career turning success field charitable work field given majority devotes single sentence description crime louisiana jury sentenced brumfield death begin corporal smothers veteran baton rouge police department working second job support family murdered midnight january following shift department january corporal smothers reported local grocery store served uniformed security officer official authorization department monitored security grocery store waited escort assistant manager kimen lee local bank make store nightly deposit corporal smothers followed usual practice driving lee bank police cruiser shortly midnight arrived bank night depository lee leaned passenger side door make deposit heard racking slide handgun brumfield accomplice henri broadway opened fire two women brumfield fired seven rounds handgun close range left side cruiser broadway fired five rounds handgun right rear cruiser brumfield hit corporal smothers five times forearm chest head lee hit multiple times well causing entrance exit wounds somehow managed slide bench seat take control police car drove nearby convenience store able call help describe broadway police emergency responders transported women hospital corporal smothers pronounced dead arrival lee survived january baton rouge police arrested brumfield corporal smothers murder several hours police interrogation denied involvement murder brumfield eventually gave videotaped admitted riding around night looking hustle come idea steal grocery store deposit described broadway hid bushes waiting car arrive lee looked back trying make deposit started shooting admitted fired seven rounds handgun broadway fired five shots handgun third man served getaway driver louisiana jury convicted brumfield murder addition videotaped confession state introduced evidence brumfield spoken committing robbery several people weeks leading murder facing sentencing unrelated charges promised pregnant girlfriend obtain money support baby child previous relationship jail state also introduced evidence brumfield told acquaintance right murder killed son bitch record penalty phase state sought death sentence reintroduced evidence guilt phase along evidence brumfield criminal felony convictions brumfield awaiting sentencing murdered corporal smothers attempted possession cocaine felony theft gun brumfield worked three months adult life admitted psychologist found drug dealing far effective way make money fact involved years earlier fatal shooting fellow drug dealer deal gone bad months murdered corporal smothers brumfield battered another police officer prison state also explained brumfield murder corporal smothers culmination crime spree christmas day brumfield robbed anthony miller gunpoint giving ride forced miller car put gun miller head pulled trigger fortunately miller gun misfired survived one week later brumfield robbed edna marie perry daughter trina perkins gunpoint walking along side road brumfield pulled alongside pointed shotgun perry said hand bitch perry turned purse pleaded brumfield give back pictures deceased son funeral carried purse responded none courteously bitch dead drove away ibid state also introduced evidence murder broader impact addition serving police officer corporal smothers single mother six children volunteer coach local track club children ranged years old went live grandmother murder loss mother weighed heavily particularly hard corporal smothers eldest son warrick especially close mother second eldest son derrick green hoping spend time warrick went college derrick deprived chance warrick take extra responsibilities care younger siblings part brumfield introduced evidence crimes beyond control product disadvantaged background born low birth weight mother testified spent several months hospital shortly birth father left family stepfather make sit corner hot rice whip hit head telephone book brother eventually decided go live biological father brumfield opted stay mother stepfather around seven eight years old brumfield began behavioral problems trouble staying seat school disruptive easily distracted prone fighting eventually taken psychiatric hospital address hyperactivity although student third grade time four five group homes educated criminal lifestyle grades began suffer cecile guin social worker testified brumfield hyperactivity acting traced largely low birth weight lack supportive home environment abusive stepfather although medical doctor concluded brumfield neurologically based hyperactive learning disability problem acknowledged however school records described behavior disorder pattern situation inappropriate behavior extended long period time explained intellectual sensory neurological general factors also admitted psychologist brian jordan diagnosed brumfield suffering neurological disorder instead sociopathic personality disorder antisocial type poor impulse control especially area aggression john bolter clinical neuropsychologist testified behalf defense brumfield suffered antisocial personality disorder based battery tests employed determine whether brumfield suffered kind neurological deficits cognitive functions bolter concluded brumfield early life manifest ed conduct disorder extreme levels aggressivity disregard basic rights others along attention deficit disorder type time emerged looks like antisocial personality continued attention difficulty borderline general level intelligence ibid brumfield iq score placing seventh percentile general population low end intelligence ibid reading skills level math spelling skills level hand bolter concluded brumfield problem solving judgment reasoning skills sufficient meet demands everyday adulthood wa showing decrement types problems one assume see suffering underlying organic basis mental illness bolter also reviewed jordan report testified inconsistency conclusions jordan rated brumfield intelligence little higher jury unanimously recommended brumfield sentenced death found three statutory aggravators made eligible penalty engaged attempted perpetration armed robbery knowingly created risk death great bodily harm one person victim peace officer engaged lawful duties jury found statutory mitigators brumfield argument actions product disadvantaged background striking light conduct corporal smothers children following murder widely known warrick though turned two days brumfield murdered mother quickly stepped role father figure younger view make sure everybody grew somebody dunn yaegar running life journey game football beyond end warrick led example becoming star running back florida state university national football league nfl time florida state set records field coping loss mother though separated family louisiana called brothers sisters sought parenting advice coach returned home kept mother pearl earrings stained blood night murdered box dresser four years florida state dunn drafted tampa bay buccaneers concerned siblings struggling baton rouge moved three youngest home tampa bay although strain playing buccaneers raising family weighed accepted responsibility make sure stayed right path ibid balancing football family dunn still found time others started homes holidays charitable organization decorates fully furnishes toothbrush homes obtained single mothers homeowner assistance programs dunn inspired mother spent years working toward purchase home family thanks brumfield live reach goal dunn contributions end joining atlanta falcons expanded reach homes holidays traveled overseas visit armed forces led effort raise money nfl help respond tragic effects hurricane katrina became founding member athletes hope organization dedicated helping athletes find pursue charitable opportunities following retirement professional football dunn launched two charitable organizations honor mother betty hope mobile bereavement program offers grief counseling services children baton rouge area homes service program dedicated helping service members police officers firefighters achieve home ownership dunn remarked knew mother proud records awards way used worldly success give something back brumfield meanwhile spent last years engaged ceaseless campaign review proceedings raised numerous challenges direct appeal trial discovery orders admission evidence jury instructions preservation record prosecutor references penalty phase alleged deficiencies trial counsel louisiana rejected claims state brumfield la denied petition writ certiorari brumfield louisiana brumfield filed first petition state relief petition among things alleged instances prosecutorial misconduct instances ineffective assistance counsel least constitutional errors jury instructions guilt phase trial brumfield sought received multiple extensions time finally filing amended petition state postconviction relief raised many claims initial petition also asserted first time mentally retarded therefore ineligible death penalty atkins virginia support claim alleged iq score reading level fourth grader born prematurely low birth weight indications slower responses normal babies suffered seizures prescribed variety medications since childhood twice treated psychiatric hospitals childhood adolescence diagnosed learning disability state denied brumfield petition ruling bench explained every defendant requests evidentiary hearing atkins claim entitled one based review application response record portions transcript issue evidence presented including bolter testimony guin testimony refers discusses jordan report app pet cert concluded brumfield met burden make threshold showing mental retardation particular noted brumfield iq score higher demonstrated impairment adaptive skills although brumfield requested fees develop atkins claim trial explicitly rule motion brumfield counsel prompt brumfield sought federal collateral review first habeas application repeated many claims including claim ineligible executed atkins requested funds develop claim evidentiary hearing district dismissed claims except atkins one ordered evidentiary hearing majority describes district eventually granted writ habeas corpus concluded state based denial brumfield atkins claim unreasonable determination facts unreasonably applied clearly established precedent denying funds develop claim appeals fifth circuit reversed concluding district conducted evidentiary hearing aedpa afford relief either grounds identified district ii aedpa limits power federal grant application writ habeas corpus behalf state prisoner cullen pinholster slip relevant provides federal may grant application respect claim adjudicated merits state proceedings unless adjudication claim resulted decision contrary involved unreasonable application clearly established federal law determined resulted decision based unreasonable determination facts light evidence presented state proceeding applying highly deferential standard evaluating rulings decisions must given benefit doubt pinholster slip internal quotation marks omitted must reviewed solely record state adjudicated claim merits slip prisoner must rebut state factual findings seeks challenge clear convincing evidence burt titlow slip brumfield presents two grounds relief framework first argues louisiana state denied atkins claim based unreasonable determination facts second argues louisiana state violated clearly established federal law determined denied funding develop evidence claim iii majority resolves case solely brumfield first ground begin louisiana state decision deny brumfield atkins claim based unreasonable determination facts factual determination unreasonable merely federal habeas reached different conclusion first instance wood allen record supports state factual determinations prisoner make showing see titlow supra slip state rejected brumfield atkins claim oral ruling follows bolter particular found brumfield iq jordan actually came little bit higher iq think defendant demonstrated impairment based record adaptive skills doctor testified personality sociopath explained someone conscience defendant carried burden placing claim mental retardation issue app pet cert statement contains three factual determinations brumfield iq least brumfield demonstrated impairment adaptive skills brumfield antisocial personality disorder facts amply supported record begin record justifies finding brumfield iq bit higher bolter testified without contradiction brumfield scored iq test administered jordan rated brumfield intelligence little higher record bolter report similarly shows brumfield test results lower estimated jordan january year notes jordan using screening measure proves less reliable parties dispute whether jordan report made part record extent confirms bolter testimony although specify iq score jordan report brumfield intellectual function slightly limited generally close average range psychological test showed intellectually functioning generally low average range app two thirds iqs expected lie fair reading jordan statements suggest iq score closer see american association mental retardation mental retardation definition classification systems supports ed record likewise supports state finding brumfield impaired adaptive skills atkins relevant adaptive skill areas home living social skills community use health safety functional academics leisure work bolter reported brumfield speech intelligible prosodic without evidence thought derailment record writing appeared normal brumfield lived independently arrest often staying pregnant girlfriend able maintain job approximately three months quitting earnings better distributing drugs selling firearms although brumfield reads level spells performs arithmetic level bolter concluded normal capacity learn acquire information given opportunity repetition finally record supports finding brumfield antisocial personality disorder bolter testified without contradiction manifested childhood conduct disorder developed adulthood antisocial personality disorder described disorder absence conscience ability disregard rights feelings others favor want without sense compunction remorse guin acknowledged jordan reached similar diagnosis brumfield presented medical evidence disputing majority disputes relevance diagnosis ante make less supported record brumfield thus failed rebut state factual findings clear convincing evidence failed show anything eminently reasonable fairminded application entitled relief majority reaches opposite result bit legerdemain recasting legal determinations factual ones contends state erred denying brumfield claim evidence brumfield presented entirely consistent intellectual disability defined louisiana thus sufficient entitle evidentiary hearing ante argument betrays legal nature majority dispute state decision majority disagree state factual findings supported record see ante disputing brumfield iq score ante disputing brumfield diagnosed antisocial personality disorder ibid acknowledging evidence record state may cut brumfield claim intellectual disability ante acknowledging underlying facts brumfield crime might arguably provide reason think brumfield possessed certain adaptive skills instead majority disagrees state conclusion brumfield made sufficient threshold showing mental retardation entitled evidentiary hearing claim ante conclusion however properly characterized one based application law fact determination facts explained question whether state errs determining facts different question whether errs applying law rice collins one dispute brumfield iq score adaptive skills antisocial personality disorder facts contrast question whether brumfield met legal standard relief least evidentiary hearing regard atkins claim requires application law facts see panetti quarterman applying conclude state unreasonably applied clearly established federal law failed provide prisoner competency hearing made substantial threshold showing indeed discussing factual determinations majority turns first state law determine showing prisoner must make qualify mentally retarded ante citing state williams la majority disagreement state decision truly based factual determinations hard understand relevance state law even terms majority factual analysis fails majority holds record supported finding brumfield qualified hearing mental retardation state law reiterate even true legal analysis overcome aedpa bar relief make matters worse majority gets state law wrong louisiana decision williams instructed state courts use statutory standard determining pretrial competency hearing necessary ground doubt defendant mental capacity proceed quoting la code crim proc art west made clear reasonable ground doubt reference proof beyond reasonable doubt guilt phase trial emphasis added burden prisoner bring forward objective evidence put mental retardation issue brumfield iq test score failed meet standard significantly subaverage intellectual functioning louisiana law williams explained louisiana statutes defined subaverage general intellectual two standard deviations mean test intellectual functioning person intellectual functioning two standard deviations mean iq using wechsler scale accounting standard error measurement williams explained requisite iq range majority prefers avoid language focusing instead sources williams relied defining subaverage intelligence ante way apply state decision apply state said higher brumfield iq scores exceeded cutoff significantly subaverage general intellectual functioning decision brumfield evidence alleged deficits adaptive skills similarly failed meet requisite standards louisiana law williams defined deficits adaptive skills functional limitations three following areas major life activity understanding use language learning mobility capacity independent living quoting la rev stat ann repealed evidence brumfield presented even potentially relevant factors evidence poor reading skills behavioral problems school bolter report confirmed normal capacity learn acquire information given opportunity repetition brumfield behavioral problems attributable conduct disorder progressed antisocial personality disorder record majority places special weight brumfield placement special education classes ante record explains placed behavioral disorder classes low capacity learn high capacity make trouble record state reasonably found brumfield provided evidence substantial functional limitations categories let alone three required state law absent objective evidence either significantly subaverage intellectual functioning deficits adaptive behavior brumfield entitled evidentiary hearing williams majority analysis erroneous takes meritless claim recasts two factual determinations awards relief despite ample evidence record support state actual factual determinations majority engages maneuvering brumfield argued state based decision deny atkins claim unreasonable determination facts unreasonable application clearly established federal law determined brumfield part presented claim way avoid aedpa additional restrictions relief alleged legal errors explained overcoming bar based alleged legal error particularly demanding brumfield arguments even presented properly legal ones meet bar federal may award relief claim adjudicated merits state unless adjudication resulted decision contrary involved unreasonable application clearly established federal law determined clearly established federal law purposes includes holdings opposed dicta decisions white woodall slip internal quotation marks alteration omitted state decision therefore contrary decisions unless holding contradicts holdings set facts materially indistinguishable decision nevertheless arrives result different precedent mitchell esparza per curiam state decision unreasonable decisions merely apply specific legal rule squarely established harrington richter instead must evaluate application holdings context rule specificity general rule leeway courts reaching outcomes determinations ibid internal quotation mark omitted precise contours right remain unclear state courts enjoy broad discretion adjudication prisoner claims woodall supra slip internal quotation marks omitted standard difficult meet meant richter habeas review state convictions disturbs state significant interest repose concluded litigation denies society right punish admitted offenders intrudes state sovereignty degree matched exercises federal judicial authority although aedpa stops short imposing complete bar type review require state prisoner show state ruling claim presented federal lacking justification error well understood comprehended existing law beyond possibility fairminded disagreement brumfield meet standard state decision deny brumfield atkins claim contrary holding state recognized atkins precludes execution mentally retarded offenders concluded brumfield qualify mentally retarded offender never confronted set facts materially indistinguishable facts case arrived different result state decision contrary clearly established federal law determined decision state deny hearing claim contrary clearly established law atkins held eighth amendment precludes execution mentally retarded offenders le ft task developing appropriate ways enforce constitutional restrictions upon execution sentences internal quotation mark brackets omitted much mention evidentiary hearing let alone hold prisoners raising atkins claims entitled one sure atkins cited decision ford wainwright explained leaving enforcement right see justice powell controlling concurrence ford required afford prisoner hearing claim insane therefore ineligible executed prisoner made substantial threshold showing insanity opinion concurring part concurring judgment citation atkins however portion ford even justice powell opinion ford compare atkins supra citing ford supra majority opinion opinion marshall ford supra opinion powell atkins thus imply let alone hold prisoner entitled hearing atkins claim mention hearing state decision deny brumfield hearing contrary clearly established federal law even atkins establish right evidentiary hearing upon threshold showing mental retardation state decision deny brumfield hearing contrary rule state took position brumfield entitled evidentiary hearing made threshold showing mental retardation simply concluded made showing never confronted set materially indistinguishable facts found threshold showing satisfied thus rejection atkins claim state decision deny brumfield atkins hearing contrary clearly established federal law determined state decision likewise unreasonable application atkins atkins clearly define category mentally retarded offenders national consensus offered guidance form several clinical definitions mental retardation intellectual accompanied significant limitations adaptive skills communication became manifest age gave conflicting indications iq score necessary subaverage intellectual functioning defining mild mental retardation term used describe people iq level approximately citing one source reports less statistical criterion mental retardation see kaplan sadock comprehensive textbook psychiatry sadock sadock ed commenting iq lower typically considered cutoff iq score intellectual function prong mental retardation definition offered greater specificity respect significant limitations adaptive skills though remarked definition mentally retarded offenders diminished capacities understand process information communicate abstract mistakes learn experience engage logical reasoning control impulses understand reactions others state reasonably applied general rule announced atkins rejected brumfield claim brumfield achieved iq test administered bolter points score identified atkins upper end mental retardation clinical definitions criterion mental retardation also scored somewhat higher iq tests administered jordan addition demonstrated impairment adaptive skills contrary test results indicate problem solving judgment reasoning skills sufficient meet demands everyday adulthood showing decrement types problems one assume see suffering underlying organic basis mental illness record based record state reasonably concluded brumfield come forward evidence fell within category mentally retarded offenders national consensus execution developed reasons even one mischaracterize atkins clearly establishing right evidentiary hearing upon substantial threshold showing mental retardation state unreasonably apply rule atkins define showing necessary state reasonably concluded record brumfield met sum bars brumfield atkins claim facts upon state rejected claim amply supported record thus unreasonable concluding otherwise majority conflates questions fact questions application law fact conflation may help get around inconveniences clearly established federal law determined th violence statute ordinary understanding facts indeed summarily reversed lower courts making error see lopez smith per curiam slip although ninth circuit claimed disagreement state factual nature reality grant relief based legal conclusion adequacy notice provided hold standard iv majority willingness afford relief brumfield first ground alleged error state dismissal atkins claim obviates need resolve second focuses state denial funding develop claim conclude aedpa bars relief first ground must also address second aedpa standards make short work ground well state denial funding brumfield neither contrary unreasonable application clearly established federal law determined precedent addresses whether circumstances state prisoner must afforded funds develop atkins claim atkins left task developing appropriate ways enforce constitutional restriction upon execution sentences internal quotation marks brackets omitted none decisions since atkins even purported address constitutional requirements funding claims brumfield believes decision contrary involved unreasonable application ake oklahoma ford wainwright neither decisions even involved protections mentally retarded offenders instead decisions addressed protections prisoners asserting insanity ake context insanity defense crime ford context insanity limitation state power execute prisoner powell concurring part concurring judgment neither involved question whether prisoner entitled funds develop insanity claim made substantial threshold showing claim ake addressed question funds held indigent defendant right access competent psychiatrist assist preparation insanity defense indigent defendant constitutional right choose psychiatrist personal liking receive funds hire state fully complied decisions declined award brumfield funds brumfield meet burden make substantial threshold showing mental retardation decision requires state afford defendant funds years ago brumfield deprived people baton rouge one police officers six children mother jury peers found brumfield guilty crime sentenced death louisiana courts afforded full appellate proceedings today majority tosses proceedings aside concluding state based decision deny brumfield atkins claim unreasonable determination facts even concedes record includes evidence supporting factual findings aedpa concession bar relief brumfield concluding otherwise majority distorts federal law intrudes upon louisiana sovereign right enforce criminal laws courts judgments willfulness disheartening perhaps disheartening majority disregard aedpa precedents disregard human cost decision spares thought years judicial proceedings decision casually extends spares sentence describe crime louisiana jury sentenced brumfield death barely spares two words necessary identify brumfield victim betty smothers name family mention legal system deserve better respectfully dissent appendix dunn yaeger running life journey game football beyond alito dissenting kevan brumfield petitioner burl cain warden writ certiorari appeals fifth circuit june justice alito chief justice joins dissenting join part justice thomas dissent story recounted part inspiring serve beneficial purpose widely read want suggest essential legal analysis case footnotes formerly employed phrase mentally retarded us term disability describe identical phenomenon hall florida slip although louisiana subsequently adopted statute governing adjudication atkins claims see la code crim proc art west cum supp parties agree procedures set forth williams governed case see brief petitioner brief respondent see also state dunn la holding statute establis procedure used atkins hearings conducted dissent accuses us recasting legal determinations factual ones post opinion thomas emphasis deleted hereinafter dissent subject determinations review instead concerned adequacy procedures standards state applied rejecting brumfield atkins claim underlying factual conclusions reached determined record evidence inconsistent intellectual disability see maggio fulford per curiam reviewing predecessor factual conclusions underlying state conclusion criminal defendant raised doubt competency stand trial look louisiana case law provides framework factual determinations made makes clear state decision rejecting brumfield atkins claim premised determinations apply behest state invokes provision similarly standard contending aedpa bars brumfield atkins claim characterizes determinations review highly factual brief respondent dissent insists ignored language williams establishing requisite iq range post quoting williams dissent wrenches quoted language context williams actually said one sem plus minus specified number iq points thus iq range assuming sem williams thereby hold sem resultant range must used simply using example illustrate concept sem question whether jordan report introduced federal habeas proceedings ever entered record see supp md la accepting counsel representation report record see tr oral arg state counsel asserting see need resolve dispute though note report currently contained record lodged district two standards set forth williams aamr criteria require two following applicable adaptive skill areas communication home living social skills community use health safety functional academics leisure work criteria similarly require least two following skill areas communication home living skills use community resources functional academic skills work leisure health safety dissent contends record shows brumfield placement special education classes simply due misbehavior post guin testified brumfield behavioral problems part function learning disability see app section provides proceeding instituted application writ habeas corpus person custody pursuant judgment state determination factual issue made state shall presumed correct applicant shall burden rebutting presumption correctness clear convincing evidence footnotes videotaped confession found http although introduced trial worth noting night corporal smothers murder apparently first interaction brumfield six years earlier caught stealing given chance turn life around chance unfortunately take see dunn yaegar running life journey game football beyond corporal smothers eldest son recounted brumfield told story mother working security store caught stealing made put back whatever took brumfield said mom made example day elected thought mom always giving people second chances right ibid like brumfield warrick father part life unlike brumfield warrick use absence father figure justification murder ibid instead recognized mother family patriarch alive ibid responsibility take role death letter brumfield one corporal smothers daughters summer later wrote imagine life without mother father step take responsibility seed knowing next meal come going lay head night even going sacrifice life raise six children someone selfish acts know physical emotional mental state mind italics deleted although question presented petition framed one law hether state considers evidence presented petitioner penalty phase proceeding determinative petitioner claim mental retardation atkins virginia based decision unreasonable determination facts pet cert brumfield reframed question oral argument purely one based factual determinations made case tr oral arg properly conceded necessarily make decision based unreasonable determination facts rejects atkins claim based record developed atkins tr oral arg majority attempts defend recharacterization inquiry ground state invoked state invoked provision basis upon brumfield sought federal collateral relief brumfield entitled relief unless show state based decision deny atkins claim unreasonable factual determinations rather address determinations majority addresses something else entirely sure question whether someone mentally retarded one fact question issue atkins claim atkins held category mentally retarded offenders executed consistent eighth amendment national consensus developed executions acknowledged disagreement define mentally retarded offenders clarified ot people claim mentally retarded impaired fall within range mentally retarded offenders national consensus thus prisoner brings atkins claim bears burden establish fact mental retardation also sufficiently impaired fall within category persons identified atkins legally beyond state power execute unclear whether williams even continued supply governing state law time state acted louisiana legislature established procedure adjudicating claims mental retardation capital cases three months brumfield hearing see la acts enacting la code crim proc art west supp law specifically address circumstances capital defendants entitled hearing claims however assume sake argument williams supplies applicable state law majority persistent characterization standard reasonable doubt standard quite misleading ante majority points williams using example illustrate concept standard error measurement ante illustrating standard error measurement related louisiana law defining significantly subaverage general intellectual functioning two standard deviations mean test intellectual functioning williams supra quoting la rev stat ann repealed majority places great reliance testimony guin medical doctor brumfield control behavior classroom record function part learning disability ante guin qualified make diagnosis acknowledged school diagnosed behavioral disorder record worth reiterating majority analysis state law afford basis relief even brumfield requested relief provision section serves basis relief state reached decision involved unreasonable application clearly established federal law determined emphasis added even brumfield show violation state law reasons discussed violation provide basis federal habeas relief estelle mcguire