People v. Stacey , 193 Ill. 2d 203 ( 2000 )
People v. Upton , 114 Ill. 2d 362 ( 1986 )
People v. Wagner , 89 Ill. 2d 308 ( 1982 )
People v. Reed , 177 Ill. 2d 389 ( 1997 )