 On Sams's orders, Kimbro shot Rackley in the head, and McLucas shot him again, in the chest.They dumped the body in the Coginchaug River and left.The Panthers had become subject to justified police infiltration, as the New Haven police had successfully penetrated the Panther movement with informants, and on the night of the killing, investigators already suspected that some kind of internal party "discipline" was under way.