 In 1955, because of overcrowding at the State Prison in Charlestown and rioting inmates, Governor Herter formed a committee to study the system and it was decided to revamp the entire State Prison system and the Commissioner was ordered to purchase more prison facilities for those sentenced to the State Prison; to ease the overcrowding situation at Charlestown.During the Acts of 1955, c.770, all the prison were merely renamed, "MCI-(at the city or town the prison was located).In 1955 The State prison at Walpole, and the reformatory at Concord were in fact "two" distinct "maximum" security facilities.