United States v. Roberto Villar , 184 F.3d 801 ( 1999 )
United States v. Larry Leroy Rudolph , 970 F.2d 467 ( 1992 )
Greer v. Miller , 107 S. Ct. 3102 ( 1987 )
Harmelin v. Michigan , 111 S. Ct. 2680 ( 1991 )