The People v. Martin , 47 Ill. 2d 331 ( 1970 )
The People v. Nilsson , 44 Ill. 2d 244 ( 1970 )
People v. Hawkins , 4 Ill. App. 3d 471 ( 1972 )
People v. Killebrew , 55 Ill. 2d 337 ( 1973 )