United States v. Renato Torres , 28 F.3d 1463 ( 1994 )
United States v. Sherrett , 877 F. Supp. 519 ( 1995 )
Serfass v. United States , 95 S. Ct. 1055 ( 1975 )
United States v. Dixon , 113 S. Ct. 2849 ( 1993 )