C. A. 4th Cir. Petition for rehearing granted, and the order entered June 14, 1993 [508 U. S. 974], denying the petition for writ of certiorari is vacated. Motion of petitioner for leave to proceed in forma pauperis granted. Certiorari granted, judgment vacated, and case remanded for further consideration in light of Sullivan v. Louisiana, 508 U. S. 275 (1993).