View dated 1930's of the Alcatraz island

View dated 1930's of the Alcatraz island and penitentiary, in the San Francisco Bay. From the mid 1930's until the mid 1960's, Alcatraz ("the Rock") was America's premier maximum-security prison, the final stop for the nation's most incorrigible inmates, including Al Capone. (Photo credit should read -/AFP/Getty Images)

Mrs Mae Capone, wife of America's best-k

Mrs Mae Capone, wife of America's best-known gangster Al Capone, walks up the gangplank of the Alcatraz Island boat to visit her husband on the Island prison in San Francisco bay, 28 February 1938. America's best known gangster Al Capone died from a heart attack at home 25 January 1947, after spending 8 years in jail. (Photo credit should read OFF/AFP/Getty Images)

Combo picture of well-known gangsters of

Combo picture of well-known gangsters of the 1920s Prohibition era in the United States. Top, from L to R : Al Capone, aka Scarface, George Kelly, aka Machine Gun Kelly. Bottom, from L to R : Lester J. Gillis, aka George Nelson, or Baby face Nelson, Arthur Barker, aka Doc. (Photo credit should read OFF/AFP/Getty Images)

Alcatraz breakfast

A breakfast menu is displayed inside Alcatraz penitentiary on the prison's last day of housing inmates, March 21, 1963. (San Francisco History Museum)

Mickey Cohen

381090 04: FBI photo of notorious gangster Michael ''Mickey'' Cohen. (Photo by National Archive/Newsmakers)

An empty guard house near the prison rec

San Francisco, UNITED STATES: An empty guard house near the prison recreation yard as the sun sets on Alcatraz Island, 14 June 2007 in San Francisco Bay of California. Sometimes referred to as "The Rock", the island of Alcatraz served first as a military fortification, before it became a federal penitentiary in 1934. Now Alcatraz is national recreation area under the supervision of the Naitonal Park Service (NPS) with more than a million visitors a year taking the short ferry ride from San Francisco's Fisherman's Wharf to experience the infamous maximum-security prison for high-risk convicts. Famous island residents have included "Machine Gun" Kelly, Al Capone and Robert "Birdman" Stroud. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

The Golden Gate Bridge is visible throug

San Francisco, UNITED STATES: The Golden Gate Bridge is visible through the fence and barbed wire surrounding the prison recreation yard as the sun sets on Alcatraz Island, 14 June 2007 in San Francisco Bay of California. Sometimes referred to as "The Rock", the island of Alcatraz served first as a military fortification, before it became a federal penitentiary in 1934. Now Alcatraz is national recreation area under the supervision of the Naitonal Park Service (NPS) with more than a million visitors a year taking the short ferry ride from San Francisco's Fisherman's Wharf to experience the infamous maximum-security prison for high-risk convicts. Famous island residents have included "Machine Gun" Kelly, Al Capone and Robert "Birdman" Stroud. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

Tourists walk out of the main cell house

San Francisco, UNITED STATES: Tourists walk out of the main cell house into the recreation yard as they visit Alcatraz Island, 14 June 2007 in San Francisco Bay of California. Sometimes referred to as "The Rock", the island of Alcatraz served first as a military fortification, before it became a federal penitentiary in 1934. Now Alcatraz is national recreation area under the supervision of the Naitonal Park Service (NPS) with more than a million visitors a year taking the short ferry ride from San Francisco's Fisherman's Wharf to experience the infamous maximum-security prison for high-risk convicts. Famous island residents have included "Machine Gun" Kelly, Al Capone and Robert "Birdman" Stroud. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

The main cell house (center) is flanked

San Francisco, UNITED STATES: The main cell house (center) is flanked by the lighthouse (R) and the prision recreation yard (L) and Alcatraz Island, 14 June 2007 in San Francisco Bay of California. Sometimes referred to as "The Rock", the island of Alcatraz served first as a military fortification, before it became a federal penitentiary in 1934. Now Alcatraz is national recreation area under the supervision of the Naitonal Park Service (NPS) with more than a million visitors a year taking the short ferry ride from San Francisco's Fisherman's Wharf to experience the infamous maximum-security prison for high-risk convicts. Famous island residents have included "Machine Gun" Kelly, Al Capone and Robert "Birdman" Stroud. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

National Park Service Sells Pieces Of Alcatraz Prison

SAN FRANCISCO - JULY 2: Visitors walk past the control room of the Alcatraz Federal Penitentiary on Alcatraz Island July 2, 2003 in the San Francisco Bay, California. The National Park Service, which manages Alcatraz as one of San Francisco's most popular tourist attractions, has started selling boxed chunks of concrete rubble for $4.95 which were left over from a 7.7 million dollar retrofit of a decaying cell block and guards quarters. Park staff came up with the idea as a cost-effective alternative to ferrying tons of rubble off Alcatraz and to bring in an extra $20,000 to $40,000 a year. (Photo by Justin Sullivan/Getty Images)

National Park Service Sells Pieces Of Alcatraz Prison

SAN FRANCISCO - JULY 2: Golden Gate National Recreation Area worker Edwin Sera walks through the hospital of the Alcatraz Federal Penitentiary on Alcatraz Island July 2, 2003 in the San Francisco Bay, California. The National Park Service, which manages Alcatraz as one of San Francisco's most popular tourist attractions, has started selling boxed chunks of concrete rubble for $4.95 which were left over from a 7.7 million dollar retrofit of a decaying cell block and guards quarters. Park staff came up with the idea as a cost-effective alternative to ferrying tons of rubble off Alcatraz and to bring in an extra $20,000 to $40,000 a year. (Photo by Justin Sullivan/Getty Images)

National Park Service Sells Pieces Of Alcatraz Prison

SAN FRANCISCO - JULY 2: Visitors tour the mail cell block of the Alcatraz Federal Penitentiary on Alcatraz Island July 2, 2003 in the San Francisco Bay, California. The National Park Service, which manages Alcatraz as one of San Francisco's most popular tourist attractions, has started selling boxed chunks of concrete rubble for $4.95 which were left over from a 7.7 million dollar retrofit of a decaying cell block and guards quarters. Park staff came up with the idea as a cost-effective alternative to ferrying tons of rubble off Alcatraz and to bring in an extra $20,000 to $40,000 a year. (Photo by Justin Sullivan/Getty Images)

National Park Service Sells Pieces Of Alcatraz Prison

SAN FRANCISCO - JULY 2: A seagull flies over Alcatraz Federal Penitentiary on Alcatraz Island July 2, 2003 in the San Francisco Bay, California. The park service, which manages Alcatraz as one of San Francisco's most popular tourist attractions, has started selling boxed chunks of concrete rubble for $4.95 which were left over from a 7.7 million dollar retrofit of a decaying cell block and guards quarters. Park staff came up with the idea as a cost-effective alternative to ferrying tons of rubble off Alcatraz and to bring in an extra $20,000 to $40,000 a year. (Photo by Justin Sullivan/Getty Images)

National Park Service Sells Pieces Of Alcatraz Prison

SAN FRANCISCO - JULY 2: Visitors tour the mail cell block of the Alcatraz Federal Penitentiary on Alcatraz Island July 2, 2003 in the San Francisco Bay, California. The National Park Service, which manages Alcatraz as one of San Francisco's most popular tourist attractions, has started selling boxed chunks of concrete rubble for $4.95 which were left over from a 7.7 million dollar retrofit of a decaying cell block and guards quarters. Park staff came up with the idea as a cost-effective alternative to ferrying tons of rubble off Alcatraz and to bring in an extra $20,000 to $40,000 a year. (Photo by Justin Sullivan/Getty Images)

Tourism Hit in Aftermath of Terror Attacks

395172 09: With Alcatraz in the background, a cable car makes it's way up Hyde Street October 1, 2001 in San Francisco. In the wake of the terrorist attacks, tourism has declined due to the lack of travel by airplane. (Photo By Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Former Alcatraz Island prison guard Jim Albright looks on while viewing an exhibit of photographs documenting the last day of Alcatraz federal penitentiary on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Former Alcatraz Island prison guard Jim Albright stands next to a photograph of himself that is part of an exhibit of photographs documenting the last day of Alcatraz federal penitentiary on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A tourist walks through the main cell block at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists walk through the main cell block at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Paint peels off the bars of a cell at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists walk through the main cell block at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A view of a cell at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: National Park Service ranger Roger Goldberg looks into Al Capone's former cell at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A tourist walks through the main cell block at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists walk through the main cell block at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: National Park Service ranger Roger Goldberg walks through the main cell block at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists walk through the main cell block at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists walk by the administration building at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A sign is posted in the room of inmate Robert Franklin Stroud, known as the "Birdman of Alcatraz" in the former hospital at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists view a mannequin wearing a former prison guard uniform in the administration building at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists walk by a control room in the administration building at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists walk by the administration building at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A view of a room in the former hospital at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A view of the San Francisco skyline and former warden's house if seen from the former chapel at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Old photographs are posted in the former chapel at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A view of a room in the former hospital at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A view of a room in the former hospital at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists walk by a control room in the administration building at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Reporters view an exhibit of photographs documenting the last day of Alcatraz federal penitentiary on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A tourist walks through the main cell block at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists walk through the main cell block at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A view of the former warden's house at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists do an audio tour of the main cell block at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists view a mannequin wearing a former prison guard uniform in the administration building at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A tourist views a model of Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A National Park Service Ranger looks on at the entrance to Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A flag flies on a ferry as it approcahes Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Tourists take photos of Alcatraz Island while riding a ferry on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Alcatraz is refelcted in the window of a ferry on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A reporter takes pictures of an exhibit of photographs documenting the last day of Alcatraz federal penitentiary on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: A National Park Service Ranger looks at a map of Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Former Alcatraz Island prison guard Jim Albright wears his old uniform hat during the 50th anniversary of the last day of Alcatraz federal penitentiary on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Former Alcatraz Island prison guard Jim Albright looks on while viewing an exhibit of photographs documenting the last day of Alcatraz federal penitentiary on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Former Alcatraz Island prison guard Jim Albright looks on while viewing an exhibit of photographs documenting the last day of Alcatraz federal penitentiary on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: People view an exhibit of photographs documenting the last day of Alcatraz federal penitentiary on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: People take pictures of an exhibit of photographs documenting the last day of Alcatraz federal penitentiary on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)

National Park Service Marks 50th Anniversary Of Closing Of Alcatraz

SAN FRANCISCO, CA - MARCH 21: Paint peels from the walls of a room in the former hospital at Alcatraz Island on March 21, 2013 in San Francisco, California. The National Park Service marked the 50th anniversary of the closure of the notorius Alcatraz federal penitentiary with an exhibit of newly discovered photos by Los Angeles freelance photographer Leigh Wiener of the prison's final day in 1963. Alcatraz was first a fort and later became an Army disciplinary barracks before being taken over by the Bureau of Prisons in 1934. (Photo by Justin Sullivan/Getty Images)