The Ohio State Reformatory, also known as the Mansfield Reformatory, is a historic prison located in Mansfield, Ohio. Built in 1886, the reformatory was designed to humanely rehabilitate first-time offenders, and was initially applauded as a positive step toward prison reform. However, conditions rapidly deteriorated. After 94 years of operation, the prison’s legacy became one of abuse, torture, and murder. the prison eventually shut down in 1990.