Watch Slaughter (1974) (1972) HD Full Movie Free on solarmovie.do. Watch Slaughter (1974) (1972) online free. Slaughter, a former Green Beret, avenges the killing of loved ones by the Mob, and in so doing is co...Slaughter, a former Green Beret, avenges the killing of loved ones by the Mob, and in so doing is coerced by the Feds into traveling to Mexico to finish off surviving mobsters.