United States v. Guy Earl Buckalew , 859 F.2d 1052 ( 1988 )
United States v. Richard Korab , 893 F.2d 212 ( 1989 )
United States v. Birdine , 515 F.3d 842 ( 2008 )
United States v. Hubbard , 638 F.3d 866 ( 2011 )