hernandez texas argued january decided may systematic exclusion persons mexican descent service jury commissioners grand jurors petit jurors texas county petitioner indicted tried murder although substantial number persons county fully qualified serve deprived petitioner person mexican descent equal protection laws guaranteed fourteenth amendment conviction state reversed pp constitutional guarantee equal protection laws directed solely discrimination whites negroes pp existence distinct class demonstrated shown laws written applied single class different treatment based reasonable classification guarantees constitution violated exclusion otherwise eligible persons jury service solely ancestry national origin discrimination prohibited fourteenth amendment pp evidence case sufficient prove county question persons mexican descent constitute separate class distinct whites pp prima facie case denial equal protection laws established case evidence county substantial number persons mexican descent qualifications required jury service none served jury commission grand jury petit jury years pp testimony five jury commissioners discriminated persons mexican descent selecting jurors objective select thought best qualified enough overcome petitioner prima facie case denial equal protection laws pp petitioner constitutional right indicted tried juries members class systematically excluded carlos cadena gus garcia argued cause petitioner brief maury maverick john herrera horace wimberly assistant attorney general texas argued cause respondent brief john ben shepperd attorney general rudy rice milton richardson wayne hartman assistant attorneys general respondent chief justice warren delivered opinion petitioner pete hernandez indicted murder one joe espinosa grand jury jackson county texas convicted sentenced life imprisonment texas criminal appeals affirmed judgment trial tex cr prior trial petitioner counsel offered timely motions quash indictment jury panel alleged persons mexican descent systematically excluded service jury commissioners grand jurors petit jurors although persons fully qualified serve residing jackson county petitioner asserted exclusion class deprived member class equal protection laws guaranteed fourteenth amendment constitution hearing trial denied motions trial motions renewed evidence taken motions denied allegation trial erred denying motions sole basis petitioner appeal affirming judgment trial texas criminal appeals considered passed upon substantial federal question raised petitioner granted writ certiorari review decision numerous decisions held denial equal protection laws try defendant particular race color indictment issued grand jury petit jury persons race color solely race color excluded state whether acting legislature courts executive administrative officers although little occasion rule question directly recognized since strauder west virginia exclusion class persons jury service grounds race color may also deprive defendant member class constitutional guarantee equal protection laws state texas us hold two classes white negro within contemplation fourteenth amendment decisions support view except question presented involves exclusion persons mexican descent juries texas courts taken broader view scope equal protection clause throughout history differences race color defined easily identifiable groups times required aid courts securing equal treatment laws community prejudices static time time differences community norm may define groups need protection whether group exists within community question fact existence distinct class demonstrated shown laws written applied single class different treatment based reasonable classification guarantees constitution violated fourteenth amendment directed solely discrimination due theory based upon differences white negro petitioner acknowledges texas system selecting grand petit jurors use jury commissions fair face capable utilized without discrimination held system susceptible abuse employed discriminatory manner exclusion otherwise eligible persons jury service solely ancestry national origin discrimination prohibited fourteenth amendment texas statute makes discrimination petitioner alleges administering law petitioner initial burden substantiating charge group discrimination prove persons mexican descent constitute separate class jackson county distinct whites one method may demonstrated showing attitude community testimony responsible officials citizens contained admission residents community distinguished white mexican participation persons mexican descent business community groups shown slight recent times children mexican descent required attend segregated school first four grades least one restaurant town prominently displayed sign announcing mexicans served courthouse grounds time hearing two men toilets one unmarked marked colored men hombres aqui men substantial evidence offered rebut logical inference drawn facts must concluded petitioner succeeded proof established existence class petitioner charged burden proving discrimination relied pattern proof established norris alabama case proof negroes constituted substantial segment population jurisdiction negroes qualified serve jurors none called jury service extended period time held constitute prima facie proof systematic exclusion negroes jury service holding sometimes called rule exclusion applied cases available supplying proof discrimination delineated class petitioner established population jackson county persons mexican surnames males bore names county tax assessor testified percent freeholders tax rolls county persons mexican descent state texas stipulated last years record person mexican latin american name served jury commission grand jury petit jury jackson county parties also stipulated male persons mexican latin american descent jackson county virtue citizens householders freeholders legal prerequisites jury service eligible serve members jury commission grand jury petit jury petitioner met burden proof imposed norris alabama supra rebut strong prima facie case denial equal protection laws guaranteed constitution thus established state offered testimony five jury commissioners discriminated persons mexican descent selecting jurors stated objective select thought best qualified testimony enough overcome petitioner case said norris alabama showing exclusion negroes jury service many negroes qualified service met mere generalities presence testimony defendant adduced mere general assertions officials performance duty accepted adequate justification complete exclusion negroes jury service constitutional provision vain illusory requirement circumstances chance may well dictate persons certain class serve particular jury particular period taxes credulity say mere chance resulted members class among six thousand jurors called past years result bespeaks discrimination whether conscious decision part individual jury commissioner judgment conviction must reversed say decision revives rejected contention fourteenth amendment requires proportional representation component ethnic groups community every jury ignores facts petitioner seek proportional representation claim right persons mexican descent sit particular juries faced claim right indicted tried juries members class systematically excluded juries selected among qualified persons regardless national origin descent much entitled constitution reversed footnotes see carter texas law passed excluding naturalized celtie irishmen jury service doubt inconsistency spirit amendment cf american sugar refining louisiana see truax raich takahashi fish game commission cf hirabayashi distinctions citizens solely ancestry nature odious free people whose institutions founded upon doctrine equality sanchez state tex cr salazar state tex cr sanchez state juarez state tex cr texas held systematic exclusion roman catholics juries barred fourteenth amendment clifton puente texas ruled restrictive covenants prohibiting sale land persons mexican descent unenforceable smith texas smith texas supra note hill texas cassell texas ross texas us question whether might take judicial notice persons mexican descent considered separate class see marden minorities american society mcdonagh richards ethnic relations reason given school superintendent segregation children needed special help learning english special school however teacher taught two grades regular school taught one instances children mexican descent left school fifth sixth grade see note supra census report shows residents jackson county mexican surnames census population vol ii pt vol iv pt american citizens naturalized citizens vol iv pt males years age county spanish surnames vol ii pt vol iv pt state challenges reliance names showing descent persons county however persons different race distinguished color spanish names provide ready identification members class selecting jurors jury commissioners work list names parties also stipulated persons mexican descent list talesmen item stipulation amply supported testimony adduced hearing see akins texas cassell texas see akins texas supra note