The People v. Bak , 45 Ill. 2d 140 ( 1970 )
The People v. Parker , 42 Ill. 2d 42 ( 1969 )
People v. McNeil , 52 Ill. 2d 409 ( 1972 )
Aguilar v. Texas , 84 S. Ct. 1509 ( 1964 )
Whiteley v. Warden, Wyoming State Penitentiary , 91 S. Ct. 1031 ( 1971 )
United States v. Harris , 91 S. Ct. 2075 ( 1971 )