Prisons in Ohio are the worst of all states, with the highest rates of violence and sexual assault. The state has a total of 6 prisons that hold over 11,000 inmates. The largest prison is the Southern Ohio Correctional Facility (SOCF) in Lucasville, which holds more than 5,500 prisoners. It was built in 1980 and is located on near the city of Lima. SOCF houses many violent offenders including murderers, rapists, child molesters, and gang members. Inmates have been known to escape from the facility as often as once every two months. The facility also has a history of riots and escapes.