Furman v. Georgia , 92 S. Ct. 2726 ( 1972 )
Jurek v. Texas , 96 S. Ct. 2950 ( 1976 )
Ex Parte Briseno , 135 S.W.3d 1 ( 2004 )
Atkins v. Virginia , 122 S. Ct. 2242 ( 2002 )