United States v. Johnson , 445 F.3d 793 ( 2006 )
United States v. Flucas , 99 F.3d 177 ( 1996 )
United States v. Jose Angel Villarreal , 920 F.2d 1218 ( 1991 )
United States v. Caldwell , 448 F.3d 287 ( 2006 )