People v. Whitfield , 217 Ill. 2d 177 ( 2005 )
People v. Owens , 139 Ill. 2d 351 ( 1990 )
People v. Ward , 124 Ill. App. 3d 974 ( 1984 )
People v. Porter , 122 Ill. 2d 64 ( 1988 )