Warden Maryland Penitentiary v. Hayden
Franklin Goldstein, Asst. Atty. Gen. of Maryland, for petitioner.
Albert R. Turnbull, Norfolk, Va., for respondent, pro hac vice, by special leave of Court.
Ralph S. Spritzer, Washington, D.C., for the United States, as amicus curiae, by special leave of Court.
Mr. Justice BRENNAN delivered the opinion of the Court.