united-states-v-kenneth-n-powell-united-states-of-america-v-melvin-l , 982 F.2d 1422 ( 1993 )
United States v. Jaime Soto, Also Known as Leonel Guerra , 988 F.2d 1548 ( 1993 )
United States v. Ross , 102 S. Ct. 2157 ( 1982 )