People v. Enoch , 122 Ill. 2d 176 ( 1988 )
People v. Hillier , 237 Ill. 2d 539 ( 2010 )
People v. Stacey , 193 Ill. 2d 203 ( 2000 )
People v. Fern , 189 Ill. 2d 48 ( 1999 )