Court of Appeals for the Fourth Circuit April 30, 1993, 92-5211, 92-5212 (United States v. Darren J. Custis, United States of America v. Darren J. Custis)

OPINION

WILKINSON, Circuit Judge:

In this case, Darren Custis claims (1) that he is entitled to a new trial on the basis of newly discovered impeaching evidence; (2) that he is entitled to have the constitutionality of several predicate state convictions considered in his federal sentencing proceeding; and (3) that his prior conviction for attempted breaking and entering should not have been