When was the prison relocated to  Warren in Knox County, Maine, United States?
Warren, Maine: Warren is a town in Knox County, Maine, United States. Warren, Maine:  It includes the villages of East Warren, Warren and South Warren, the latter home to the Maine State Prison and minimum security Bolduc Correctional Facility. Maine State Prison: The Maine State Prison was erected in Thomaston, Maine in 1824 and relocated to Warren in 2002.
2002