Alcatraz prisoner records now online (USA)

"Ancestry.com has made available online a collection of nearly 75,000 records of prisoners from several of the most infamous U.S. penitentiaries, including Alcatraz, Leavenworth, McNeil Island and Atlanta. The prison record collection spans 1875 to 1963 and even includes photo ID cards of nearly 3,500 inmates who did time in McNeil Island."