kastigar argued january decided may compel testimony unwilling witness invokes fifth amendment privilege compulsory conferring immunity provided use compelled testimony evidence derived therefrom subsequent criminal proceedings immunity use derivative use coextensive scope privilege sufficient compel testimony claim privilege transactional immunity afford broader protection fifth amendment privilege constitutionally required subsequent criminal prosecution prosecution burden proving affirmatively evidence proposed used derived legitimate source wholly independent compelled testimony pp affirmed powell delivered opinion burger stewart white blackmun joined douglas post marshall post filed dissenting opinions brennan rehnquist took part consideration decision case hugh manes argued cause filed briefs petitioners solicitor general griswold argued cause brief assistant attorney general wilson assistant attorney general rehnquist jerome feit sidney glazer briefs amici curiae urging reversal filed melvin wulf fred okrand wirin laurence sperber american civil liberties union et al benjamin dreyfus national lawyers guild morton stavis arthur kinoy center constitutional rights justice powell delivered opinion case presents question whether government may compel testimony unwilling witness invokes fifth amendment privilege compulsory conferring witness immunity use compelled testimony subsequent criminal proceedings well immunity use evidence derived testimony petitioners subpoenaed appear grand jury central district california february government believed petitioners likely assert fifth amendment privilege prior scheduled appearances government applied district order directing petitioners answer questions produce evidence grand jury grant immunity conferred pursuant petitioners opposed issuance order contending primarily scope immunity provided statute coextensive scope privilege therefore sufficient supplant privilege compel testimony district rejected contention ordered petitioners appear grand jury answer questions grant immunity petitioners appeared refused answer questions asserting privilege compulsory brought district persisted refusal answer grand jury questions notwithstanding grant immunity found contempt committed custody attorney general either answered grand jury questions term grand jury expired appeals ninth circuit affirmed stewart granted certiorari resolve important question whether testimony may compelled granting immunity use compelled testimony evidence derived therefrom use derivative use immunity whether necessary grant immunity prosecution offenses compelled testimony relates transactional immunity power government compel persons testify grand juries governmental agencies firmly established jurisprudence power respect courts established statute england early lord bacon observed subjects owed king knowledge discovery clear grand juries first resorted compulsory process secure attendance testimony witnesses general principle public right every man evidence considered indubitable certainty denied power compel testimony corresponding duty testify recognized sixth amendment requirements accused confronted witnesses compulsory process obtaining witnesses favor first congress recognized testimonial duty judiciary act provided compulsory attendance witnesses federal courts justice white noted importance essential power government concurring opinion murphy waterfront among necessary important powers well federal government assure effective functioning government ordered society broad power compel residents testify grand juries agencies see blair testimony constitutes one government primary sources information immunity statutes historical roots deep jurisprudence incompatible values rather seek rational accommodation imperatives privilege legitimate demands government compel citizens testify existence statutes reflects importance testimony fact many offenses character persons capable giving useful testimony implicated crime indeed origins context offenses primary use investigate offenses congress included immunity statutes many regulatory measures adopted first half century indeed prior enactment statute consideration case force federal immunity statutes addition every state union well district columbia puerto rico one statutes commentators several occasions characterized immunity statutes essential effective enforcement various criminal statutes justice frankfurter observed speaking ullmann statutes become part constitutional fabric ii petitioners contend first fifth amendment privilege compulsory person shall compelled criminal case witness deprives congress power enact laws compel even complete immunity prosecution granted prior compulsion incriminatory testimony words petitioners assert immunity statute however drawn afford lawful basis compelling incriminatory testimony ask us reconsider overrule brown walker ullmann supra decisions uphold constitutionality immunity statutes find merit contention reaffirm decisions brown ullmann iii petitioners second contention scope immunity provided federal witness immunity statute coextensive scope fifth amendment privilege compulsory therefore sufficient supplant privilege compel testimony claim privilege statute provides witness compelled district order testify claim privilege witness may refuse comply order basis privilege testimony information compelled order information directly indirectly derived testimony information may used witness criminal case except prosecution perjury giving false statement otherwise failing comply order petitioners draw distinction statutes provide transactional immunity provide statute us immunity use derivative use contend statute must minimum grant full transactional immunity order coextensive scope privilege support contention rely counselman hitchcock first case considered constitutional challenge immunity statute statute immunity act provided evidence obtained party witness means judicial proceeding shall given evidence manner used notwithstanding grant immunity order testify revised act witness asserting privilege compulsory refused testify federal grand jury consequently adjudged contempt appeal construed statute affording witness protection use specific testimony compelled grant immunity construction meant statute prevent use testimony search testimony used evidence since revised act construed permit use immunized witness evidence derived compelled testimony protect witness extent claim privilege protect accordingly principle grant immunity supplant privilege sufficient compel testimony claim privilege unless scope grant immunity coextensive scope privilege witness refusal testify held proper course opinion made following statement petitioners heavily rely clearly opinion statute leaves party witness subject prosecution answers criminating question put effect supplanting privilege conferred constitution immunity statute consideration supply complete protection perils constitutional prohibition designed guard full substitute prohibition view constitutional provision statutory enactment valid must afford absolute immunity future prosecution offence question relates person shall prosecuted subjected penalty forfeiture account transaction matter thing concerning may testify produce evidence documentary otherwise act stat statute explicit proscription use criminal case testimony information compelled order information directly indirectly derived testimony information consonant fifth amendment standards hold immunity use derivative use coextensive scope privilege therefore sufficient compel testimony claim privilege grant immunity must afford protection commensurate afforded privilege need broader transactional immunity accords full immunity prosecution offense compelled testimony relates affords witness considerably broader protection fifth amendment privilege privilege never construed mean one invokes subsequently prosecuted sole concern afford protection forced give testimony leading infliction penalties affixed criminal acts immunity use compelled testimony well evidence derived directly indirectly therefrom affords protection prohibits prosecutorial authorities using compelled testimony respect therefore insures testimony lead infliction criminal penalties witness holding consistent conceptual basis counselman counselman statute construed plainly deficient failure prohibit use immunized witness evidence derived compelled testimony repeatedly emphasized deficiency noting statute prevent use testimony search testimony used evidence property criminal proceeding prevent obtaining use witnesses evidence attributable directly testimony might give compulsion might convicted otherwise refused answer possibly convicted ibid affords protection use compelled testimony consists gaining therefrom knowledge details crime sources information may supply means convicting witness party immunity granted incomplete merely forbade use testimony given failed protect witness future prosecution based knowledge sources information obtained compelled testimony emphasis supplied murphy waterfront carefully considered immunity use compelled testimony evidence derived therefrom murphy petitioners subpoenaed testify hearing conducted waterfront commission new york harbor refusing answer certain questions ground answers might tend incriminate petitioners granted immunity prosecution laws new jersey new york continued refuse testify however ground answers might tend incriminate federal law immunity purport extend adjudged civil contempt judgment affirmed new jersey issue murphy whether new jersey new york compel witnesses immunized prosecution laws give testimony might used convict federal crime since new jersey new york purported confer immunity federal prosecution faced question limitations fifth amendment privilege imposed prosecutorial powers federal government nonimmunizing sovereign undertaking examination policies purposes privilege overturned rule one jurisdiction within federal structure may compel witness give testimony used convict crime another jurisdiction held privilege protects state witnesses incrimination federal well state law federal witnesses incrimination state well federal law applying principle state immunity legislation held constitutional rule state witness may compelled give testimony may incriminating federal law unless compelled testimony fruits used manner federal officials connection criminal prosecution conclude moreover order implement constitutional rule accommodate interests state federal governments investigating prosecuting crime federal government must prohibited making use compelled testimony fruits true murphy presented precise question presented case whether jurisdiction seeking compel testimony may granting use immunity new jersey new york granted petitioners transactional immunity heretofore squarely confronted question immunity statutes reaching either followed pattern act providing transactional immunity found deficient failure prohibit use evidence derived compelled testimony reasoning murphy result reached compel conclusion use immunity constitutionally sufficient compel testimony claim privilege since privilege fully applicable scope whether invoked state federal jurisdiction murphy conclusion prohibition use derivative use secures witness fifth amendment privilege infringement federal government demonstrates immunity use derivative use coextensive scope privilege murphy noted immunity use derivative use leaves witness federal government substantially position witness claimed privilege absence grant immunity murphy concerned solely danger incrimination federal law held immunity use derivative use sufficient displace danger protection coextensive privilege degree protection constitution requires constitution requires even jurisdiction compelling testimony granting immunity iv although analysis prior decisions purpose fifth amendment privilege indicates use immunity coextensive privilege must consider additional arguments advanced petitioners sufficiency immunity start premise repeatedly affirmed appropriately broad immunity grant compatible constitution petitioners argue use immunity adequately protect witness various possible incriminating uses compelled testimony example prosecutor law enforcement officials may obtain leads names witnesses information otherwise available might result prosecution difficult perhaps impossible argument goes identify testimony subtle ways compelled testimony may disadvantage witness especially jurisdiction granting immunity argument presupposes statute prohibition prove impossible enforce statute provides sweeping proscription use direct indirect compelled testimony information derived therefrom testimony information compelled order information directly indirectly derived testimony information may used witness criminal case person accorded immunity subsequently prosecuted dependent preservation rights upon integrity good faith prosecuting authorities stated murphy defendant demonstrates testified state grant immunity matters related federal prosecution federal authorities burden showing evidence tainted establishing independent legitimate source disputed evidence substantial protection commensurate resulting invoking privilege privilege assures citizen compelled incriminate testimony usually operates allow citizen remain silent asked question requiring incriminatory answer statute operates witness given incriminatory testimony affords protection assuring compelled testimony way lead infliction criminal penalties statute like fifth amendment grants neither pardon amnesty statute fifth amendment allow government prosecute using evidence legitimate independent sources statutory proscription analogous fifth amendment requirement cases coerced confessions coerced confession revealing leads testimony given exchange immunity inadmissible criminal trial bar prosecution moreover defendant incriminating evidence obtained grant immunity may stronger position trial defendant asserts fifth amendment claim one raising claim statute need show testified grant immunity order shift government heavy burden proving evidence proposes use derived legitimate independent sources hand defendant raising claim fifth amendment must first prevail voluntariness hearing confession evidence derived become inadmissible justification reason policy holding constitution requires amnesty grant acting pursuant statute accompanying safeguards testimony compelled exchange immunity use derivative use amnesty required government acting without colorable right coerces defendant incriminating conclude immunity provided leaves witness prosecutorial authorities substantially position witness claimed fifth amendment privilege immunity therefore coextensive privilege suffices supplant judgment appeals ninth circuit accordingly affirmed footnotes concise history testimonial compulsion prior adoption constitution see wigmore evidence mcnaughton rev see ullmann blair statute elizabeth eliz countess shrewsbury case tr see parliamentary debate bill indemnify evidence particularly remarks duke argyle lord chancellor hardwicke reported hansard parliamentary history england see also piemonte ullmann supra brown walker stat see blair supra wigmore supra see murphy waterfront see ullmann griswold fifth amendment today murphy waterfront supra white concurring mccarthy arndstein saline bank pet cf gardner broderick hoffman blau mason see miranda arizona boyd soon privilege compulsory became firmly established law recognized privilege apply immunity indemnity english usage granted see levy origins fifth amendment parliament enacted immunity statute directed illegal gambling anne became model identical immunity statute enacted colonial legislature new york law mar colonial laws new york statutes provided loser sue winner compelled answer loser charges winner responded returned gains acquitted indemnified immunized discharged punishment forfeiture penalty may incurred playing winning money anne law mar colonial laws new york another notable instance early use immunity legislation impeachment trial lord chancellor macclesfield lord chancellor accused house commons sale public offices appointments order compel testimony masters chancery allegedly purchased offices lord chancellor incriminate testifying parliament enacted statute granting immunity persons holding office masters chancery lord chancellor macclesfield trial tr see wigmore supra see also bishop atterbury trial tr legislatures colonial pennsylvania new york enacted immunity legislation century see resolution votes proceedings house representatives province pennsylvania pennsylvania archives series hoban ed law mar colonial laws new york law mar law mar see generally levy origins fifth amendment federal immunity statutes existed since act stat history various federal immunity statutes see comment federal witness immunity acts theory practice treading constitutional tightrope yale wendel compulsory immunity legislation fifth amendment privilege new developments new confusion louis rev national commission reform federal criminal laws working papers see resolution supra pennsylvania archives series hoban ed law mar colonial laws new york law mar bishop atterbury trial supra house commons passed immunity legislation prosecution treasonable conspiracy see wigmore supra lord chancellor macclesfield trial supra parliament passed immunity legislation prosecution political bribery involving sale public offices appointments see first federal immunity statute enacted facilitate investigation charges corruption vote buying house representatives see comment supra yale see wigmore supra justice white noted concurring opinion murphy waterfront immunity statutes century resorted investigation many offenses chiefly whose proof punishment otherwise impracticable political bribery extortion gambling consumer frauds liquor violations commercial larceny various forms racketeering see supra see comment supra yale listing statutes see national commission reform federal criminal laws working papers listing statutes see wigmore supra see wigmore evidence ed wigmore supra see hale henkel brown walker statement made specific reference compulsory testimony act stat model almost federal immunity statutes prior enactment statute consideration case see murphy waterfront white concurring accord gardner broderick murphy waterfront supra mccarthy arndstein brandeis heike holmes provisions act relative immunity witnesses see see murphy waterfront supra counselman hitchcock see piccirillo new york stat see counselman hitchcock supra counselman ccnd counselman hitchock supra precisely held legislation abridge constitutional privilege replace supply sic one least unless broad extent scope effect see murphy waterfront supra counselman decided senator cullom introduced new bill cong rec cong rec act stat repealed organized crime control act pub stat see remarks senator cullom cong rec congressman wise introduced bill house cong rec see shapiro ullmann shapiro supra one minor exception see piccirillo new york brennan dissenting arndstein mccarthy statute product careful study consideration national commission reform federal criminal laws well congress commission recommended legislation reform federal immunity laws recommendation served model statute commenting proposal special report president commission said satisfied substitution immunity use immunity prosecution meets constitutional requirements overcoming claim privilege immunity use consequence flowing violation individual constitutional right protected unreasonable searches seizures constitutional right counsel constitutional right coerced confessing proposed immunity thus scope frequently even though unintentionally conferred result constitutional violations law enforcement officers second interim report national commission reform federal criminal laws mar working papers commission commission recommendation based large part comprehensive study immunity relevant decisions prepared commission robert dixon george washington university law center transmitted president recommendations commission see national commission reform federal criminal laws working papers see pp ullmann quoting boyd see knapp schweitzer cf term harv rev language similar counselman dictum found brown walker hale henkel brown hale however involved statutes clearly sufficient supplant privilege provided full immunity prosecution account transaction matter thing concerning may testify produce evidence true smith monia albertson subversive activities control board counselman language urged upon us petitioners quoted albertson like counselman involved immunity statute held insufficient failure prohibit use evidence derived compelled admissions use compelled admissions investigatory lead adams maryland murdock counselman dictum referred principle counselman references context ancillary points essential decisions adams note however fifth amendment privilege prohibits use compelled testimony event ullmann recognized rationale counselman counselman statute insufficient failure prohibit use evidence derived compelled testimony see also arndstein mccarthy waterfront commission new york harbor bistate body established interstate compact approved congress stat waterfront harbor reconsideration rule fifth amendment privilege protect witness one jurisdiction compelled give testimony used convict another jurisdiction made necessary decision malloy hogan held fifth amendment privilege applicable fourteenth amendment murphy waterfront point added following note defendant demonstrates testified state grant immunity matters related federal prosecution federal authorities burden showing evidence tainted establishing independent legitimate source disputed evidence transactional immunity deemed constitutional rule federal prosecution see california byers harlan concurring judgment freed piccirillo new york stevens marks murphy waterfront supra ullmann supra smith monia hale henkel jack kansas brown walker see also supra albertson subversive activities control board arndstein mccarthy malloy hogan held standards determine extent scope privilege state federal proceedings substantive guarantee bill rights involved murphy emphasized scope privilege state federal proceedings murphy waterfront ibid noted gardner broderick nswers may compelled regardless privilege immunity federal state use compelled testimony fruits connection criminal prosecution person testifying see albertson subversive activities control board see murphy waterfront white concurring adams maryland bram justice white concurring murphy pointed coerced confession revealing leads testimony given exchange immunity indeed excluded part compelled incrimination violation privilege malloy hogan spano new york bram jackson denno see supra brief cf chapman california jackson denno supra justice douglas dissenting clause says person shall compelled criminal case witness see answer proposition witness use immunity granted views question scope immunity necessary force witness give guarantee contained fifth amendment well known see ullmann dissenting piccirillo new york dissenting need write length counselman hitchcock adopted transactional immunity test view constitutional provision statutory enactment valid must afford absolute immunity future prosecution offense question relates brown walker case involving another federal prosecution immunity statute provided witness protected account transaction concerning may testify held immunity offered coterminous privilege witness therefore compelled testify ruling made transactional immunity part fabric constitutional law ullmann supra however apparently believes counselman progeny overruled sub silentio murphy waterfront murphy involved state witnesses granted transactional immunity state law refused testify fear subsequent federal prosecution held testimony question compelled federal government barred using testimony fruits subsequent federal prosecution murphy overruled counselman feldman held one jurisdiction within federal structure may compel witness give testimony used convict crime another jurisdiction murphy waterfront supra counselman murphy recognized said nothing problem incrimination law another sovereign problem one federalism require transactional immunity jurisdictions might deprive state right prosecute violation criminal law basis another state grant immunity result gravely derogation sovereignty obstructive administration justice ex rel catena elias substantial single jurisdiction compels incriminating testimony brings later prosecution may fade jurisdiction bringing prosecution differs jurisdiction compelled testimony concern informal undetected exchange information also correspondingly less two different jurisdictions involved piccirillo new york dissenting thought bill rights contained counsels moderation courts legislatures deviate according conscience discretion today contraction clause fifth amendment understandable true starting chief justice marshall opinion burr cas cc ruled reach fifth amendment broad make privilege applicable mere possibility criminal charge made said hale henkel criminality already taken away amendment ceases apply words immunity granted adequate operates complete pardon offense brown walker true measure clause justice brennan stated se immunity literally misses half point privilege permits compulsion without removing criminality piccirillo new york supra dissenting justice brennan also said transactional immunity provides individual assurance testifying matters may later prosecuted question arises tracing use information gleaned witness compelled testimony sole question presented whether subsequent prosecution related substance compelled testimony witness government know precisely stand respect law furthered individual knows position left suspicious later prosecution actually fruit compelled testimony dissenting adhere counselman hitchcock hold attempt dilute clause unconstitutional albertson subversive activities control board faced fifth amendment challenge communist registration provision subversive activities control act stat held provision violated prospective registrant privilege registration provision saved immunity statute prohibited introduction evidence criminal prosecution fact registration act analysis immunity provision rested solely counselman counselman hitchcock decided held immunity statute leaves party witness subject prosecution answers criminating question put effect supplanting privilege statute valid supplies complete protection perils constitutional prohibition designed guard affording absolute immunity future prosecution offence question relates measured standards immunity granted complete emphasis added thus albertson struck statute employing test approved today went well beyond measured statute solely restrictive standards counselman justice marshall points post futile expect ban use derivative use compelled testimony enforced also possible use immunity might actually adverse impact administration justice rather promote law enforcement witness might believe good reason immunized testimony inevitably lead felony conviction circumstances rather testify aid investigation witness might decide better remaining silent even jailed contempt justice marshall dissenting today holds may compel witness give incriminating testimony subsequently prosecute crimes testimony relates believe fifth amendment permits result see piccirillo new york brennan dissenting dismissal certiorari fifth amendment gives witness absolute right resist interrogation testimony sought tend incriminate grant immunity may strip witness right refuse testify broad enough eliminate possibility testimony fact operate incriminate must put precisely position government compelled testimony remained silent reliance privilege ullmann mccarthy arndstein hale henkel brown walker counselman hitchcock recognizes immunity statute must tested standard relevant inquiry whether leaves witness prosecutorial authorities substantially position witness claimed fifth amendment privilege ante assume moreover theory test met complete ban use compelled testimony including derivative use however remote indirect agree ban use practice total remains open government convict witness basis evidence derived legitimate independent source asserts witness adequately protected rule imposing government heavy burden proof establish independent character evidence used witness light inevitable uncertainties factfinding process see speiser randall greater margin protection required order provide reliable guarantee witness exactly position testified margin provided immunity prosecution offenses testimony relates transactional immunity see suffice merely put burden proof government first contrary assertion rule leave witness dependent preservation rights upon integrity good faith prosecuting authorities ante information relevant question taint uniquely within knowledge prosecuting authorities alone position trace chains information investigation lead evidence used criminal prosecution witness suspects compelled testimony used develop lead hard pressed indeed ferret evidence necessary prove course answer say need prove though puts burden proof government government difficulty meeting burden mere assertion witness produces contrary evidence good faith prosecuting authorities thus sole safeguard witness rights second even good faith sufficient safeguard paths information investigative bureaucracy may well long winding even prosecutor acting best faith certain somewhere depths investigative apparatus often including hundreds employees prohibited use compelled testimony cf giglio santobello new york today sets loose net trap tainted evidence prevent use witness accepts intolerably great risk tainted evidence fact slip net view turns reason head compares statutory grant immunity immunity inadvertently conferred unconstitutional interrogation exclusionary rule evidence applies situation nothing whatever case evidence obtained coercive interrogation like evidence obtained illegal search excluded trial constitution prohibits methods gathering evidence exclusionary rules provide partial inadequate remedy victims illegal police conduct similarly partial inadequate deterrent police officers immunity statute hand much ambitious exclusionary rule merely attempt provide remedy past police misconduct never occurred immunity statute operates advance event authorizes even encourages interrogation otherwise prohibited fifth amendment immunity statute thus differs exclusionary rule evidence least two critical respects first immunity statute gives constitutional approval resulting interrogation government obligation remove danger incrimination completely absolutely whereas case exclusionary rules may sufficient shield witness fruits illegal search interrogation partial reasonably adequate manner illegal police conduct occurred exclusion evidence purport purge conduct unconstitutional character constitutional violation remains may provide basis relief civil action damages see bivens six agents criminal prosecution responsible officers see constitution authorize police officers coerce confessions invade privacy without cause long use made evidence obtain held constitution authorize government compel witness give potentially incriminating testimony long incriminating use made resulting evidence government puts seal approval interrogation must provide absolutely reliable guarantee use testimony way aid prosecution witness way provide guarantee give witness immunity prosecution crimes testimony relates second immunity statute operates advance interrogation room require broad grant transactional immunity without imperiling large numbers otherwise valid convictions exclusionary rule comes play interrogation search occurred decision question search often made haste pressure officer lawyer unconstitutional interrogation search held create transactional immunity might well regarded excessively high price pay constable blunder immunity statute hand creates framework prosecuting attorney make calm reasoned decision whether compel testimony suffer resulting ban prosecution forgo testimony reasons clear immunity statute must tested standard far demanding appropriate exclusionary rule fashioned deal past constitutional violations measured standard statute approved today fails miserably respectfully dissent case course involve special considerations come play prosecuting government different government compelled testimony see murphy waterfront