
    No. 83-6891.
    No. 83-6911.
    No. 83-6925.
    Alvarez v. United States; Llanez-Diaz v. United States; and Nunez-Varela v. United States.
   C. A. 4th Cir. Certiorari denied. Reported below: 732 F. 2d 1200.  