In 1972 Arkansas's first prison rodeo was held at the Cummins Unit. In 1974 death row inmates, previously at the Tucker Unit, were moved to the Cummins Unit. In 1976 female inmates were moved from the Cummins Unit to the Pine Bluff Unit. In 1978 a new execution chamber opened at Cummins Unit. In 1983 the Cummins Modular Unit opened. In 1986 death row inmates were moved to the Maximum Security Unit. In 1991 the vocational technology program moved from the Cummins Unit to the Varner Unit. In 2000 Arkansas's first lethal electrified fence, built with inmate labor, opened at the Cummins Unit.