
    No. 73-1574.
    No. 73-6610.
    No. 73-6913.
    No. 73-6986.
    Arroyo v. United States; Perez v. United States; Gonzalez v. United States; and Sanchez v. United States.
   C. A. 2d Cir. Certiorari denied. Reported below: 494 F. 2d 1316.  