New Details About Attica Prison Massacre Emerge, Including Names of Shooters Hannah GoldSunday 12:00pm14117EditPromoteDismissUndismissHideGo to permalinkIn 1971, an uprising of inmates demanding better conditions at the Attica Correctional Facility in New York gave way to an attack on the facility by state police and guards, which left 29 inmates and 10 hostages dead.