People v. Thomas , 62 Ill. 2d 375 ( 1975 )
People of Illinois v. Gates , 85 Ill. 2d 376 ( 1981 )
Jones v. United States , 80 S. Ct. 725 ( 1960 )
Aguilar v. Texas , 84 S. Ct. 1509 ( 1964 )
United States v. Ventresca , 85 S. Ct. 741 ( 1965 )