United States v. Oscar Meza-Soria , 935 F.2d 166 ( 1991 )
United States v. Omero Ortiz-Lopez , 24 F.3d 53 ( 1994 )
UNITED STATES of America, Plaintiff-Appellee, v. Manuel CONTRERAS, Defendant-Appellant , 63 F.3d 852 ( 1995 )