Kavanaugh, William L. Hyde and Richard A. Russell of Peeples, Earl & Blank, P.A., Miami, for appellee. Barry M. Hartman, Acting Asst. Atty. Gen., Dexter W. Lchtinen, U.S. Atty., and Susan Hill Ponzoli, Asst. U.S. Atty., Miami, Keith E. Saxe, David C. Shilton and Ellen J. Durkee, Dept. of Justice, Washington, D