Show dogs on alcatraz isle alcatraz prison the devils island of america a prison on a rocky island in the middle of san francisco bay fortified with all the latest scientific gadgets and manned by the most experienced crew of prison workers has found it expedient to reinforce its crew with trained police dogs sanford bates director of the federal prison bureau declared that dogs are better prison guards than men their powers of sight smell and hearing are far keener they are trained to knock down the man they are sent after but not to hurt him |