People v. St. Pierre , 146 Ill. 2d 494 ( 1992 )
People v. Hall , 198 Ill. 2d 173 ( 2001 )
People v. Wills , 61 Ill. 2d 105 ( 1975 )
People v. Hillenbrand , 121 Ill. 2d 537 ( 1988 )
Boykin v. Alabama , 89 S. Ct. 1709 ( 1969 )
People v. Davis , 145 Ill. 2d 240 ( 1991 )