People v. Lewis , 235 Ill. App. 3d 1003 ( 1992 )
People v. Wallace , 143 Ill. 2d 59 ( 1991 )
People v. Frey , 67 Ill. 2d 77 ( 1977 )
People v. Wilk , 124 Ill. 2d 93 ( 1988 )