People v. Steppan , 105 Ill. 2d 310 ( 1985 )
People v. Bolyard , 61 Ill. 2d 583 ( 1975 )
People v. Ferguson , 132 Ill. 2d 86 ( 1989 )
People v. Hollins , 51 Ill. 2d 68 ( 1972 )