Alcatraz Federal Penitentiary and the island became a prison of the Federal Bureau of Prisons in August 1934 after the buildings were modernized to meet the requirements of a top-notch security prison. Given this high security and the location of Alcatraz in the cold waters and strong currents of San Francisco Bay, the prison operators believed Alcatraz to be escape-proof and America's strongest prison. Alcatraz was designed to hold prisoners who continuously caused trouble at other federal prisons. One of the world's most notorious and best known prisons over the years, Alcatraz housed some 1,576 of America's most ruthless criminals including Al Capone,
King of Alcatraz Bob both develop a romantic interest in Dale and both end up in confrontations with Murkil. A fight results in Ray being wounded, with Dale receiving radio instructions on how to perform an operation that he immediately needs. Murkil nearly makes his escape until he is shot by Glennan. On shore, Ray and Dale decide to get married, with Bob their best man. King of Alcatraz King of Alcatraz is a 1938 American drama film directed by Robert Florey and starring Gail Patrick. Just as gangster Steve Murkil is escaping from Alcatraz prison, rival San Francisco radio operators Ray Grayson