Coker v. Georgia , 97 S. Ct. 2861 ( 1977 )
Robinson v. California , 82 S. Ct. 1417 ( 1962 )
Atkins v. Virginia , 122 S. Ct. 2242 ( 2002 )
Lockyer v. Andrade , 123 S. Ct. 1166 ( 2003 )
Roper v. Simmons , 125 S. Ct. 1183 ( 2005 )
Miller v. Alabama , 132 S. Ct. 2455 ( 2012 )