UNITED STATES of America ex rel. William CABEY H-2519 v. Joseph MAZURKIEWICZ, Superintendent, State Correctional Institution at Philadelphia, Appellant. No. 18134.United States Court of Appeals, Third Circuit.Argued February 6, 1970. Decided July 29, 1970. Paul R. Michel, Asst. Dist. Atty. (James D. Crawford, Asst. Dist. Atty., Chief, Appeals Division, Richard A. Sprague, First Asst. Dist. […]