People v. Crowell , 53 Ill. 2d 447 ( 1973 )
People v. Moore , 207 Ill. 2d 68 ( 2003 )
People v. Krankel , 102 Ill. 2d 181 ( 1984 )
People v. Jolly , 2014 IL 117142 ( 2015 )
Anders v. California , 87 S. Ct. 1396 ( 1967 )