State v. McDaniel , 136 Ariz. 188 ( 1983 )
State v. Emery , 141 Ariz. 549 ( 1984 )
Tison v. Arizona , 107 S. Ct. 1676 ( 1987 )
Enmund v. Florida , 102 S. Ct. 3368 ( 1982 )