The Eastern State Penitentiary (ESP) is a former American prison in Philadelphia, Pennsylvania. It is located in the Fairmount section of the city, and was operational from 1829 until 1971. The penitentiary refined the revolutionary system of separate incarceration, first pioneered at the Walnut Street Jail, which emphasized principles of reform rather than punishment. Notorious criminals such as Al Capone and bank robber Willie Sutton were held inside its innovative wagon wheel design. For their role in the Kelayres massacre of 1934, James Bruno (Big Joe) and several male relatives were incarcerated here between 1936 and 1948, before they were paroled. At its completion, the building was the largest and most expensive public structure ever erected in the United States, and quickly became a model for more than 300 prisons worldwide. More information...
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