United States v. Cardoza , 129 F.3d 6 ( 1997 )
United States v. Glass , 128 F.3d 1398 ( 1997 )
United States v. Mendenhall , 100 S. Ct. 1870 ( 1980 )
Florida v. Bostick , 111 S. Ct. 2382 ( 1991 )