Gonzales v. Thomas
547 U.S. 183, 126 S.Ct. 1613, 164 L.Ed.2d 358 (2006) - Court of Appeals must remand case to BIA for asylum eligibility determination on a previously unconsidered claim for asylum based upon "fear of persecution on account of membership in a particular family" rather than considering the question de novo on petition for review of BIA's denial of application for asylum.
I.N.S. v. Cardoza-Fonseca
480 U.S. 421, 107 S.Ct. 1207, 94 L.Ed.2d 434 (1987) - Addressing "well-founded fear of persecution" - an alien seeking asylum does not need to prove that it is more likely than not that s/he will be persecuted in his or her own country
I.N.S. v. Elias-Zacarias
502 U.S. 478, 112 S.Ct. 812, 117 L.Ed.2d 38 (1992) - Addressing "well-founded fear of persecution on account of political opinion" - (1) guerrilla organization's attempt to conscript Guatemalan native into its military forces did not necessarily constitute "persecution on account of political opinion" and (2) alien who testified that he refused to join guerrillas because he was afraid that government would retaliate against him and his family failed to show eligibility for asylum
I.N.S. v. Orlando-Ventura
537 U.S. 12, 123 S.Ct. 353, 154 L.Ed.2d. 272 (2002) - Judicial decision cannot be made instead of administrative decision on a basic matter entrusted by law to an administrative agency.