The PEOPLE v. Williams , 40 Ill. 2d 367 ( 1968 )
People v. Lewis , 57 Ill. 2d 232 ( 1974 )
The PEOPLE v. Williams , 38 Ill. 2d 150 ( 1967 )
Roviaro v. United States , 77 S. Ct. 623 ( 1957 )