United States v. Robert Leon Roberson, United States of America v. Donald Leonard Sturgis , 439 F.3d 934 ( 2006 )
United States v. Johnson , 574 F.3d 570 ( 2009 )
United States v. Roberson , 517 F.3d 990 ( 2008 )
United States v. Otterson , 506 F.3d 1098 ( 2007 )
Kimbrough v. United States , 128 S. Ct. 558 ( 2007 )