People v. Greco , 204 Ill. 2d 400 ( 2003 )
People v. Drum , 194 Ill. 2d 485 ( 2000 )
People v. Schmidt , 56 Ill. 2d 572 ( 1974 )
People v. Keith , 148 Ill. 2d 32 ( 1992 )
In Re Kef , 235 Ill. 2d 530 ( 2009 )
People v. Truitt , 175 Ill. 2d 148 ( 1997 )