 Governor Grey swore in a batch of special constables under the jurisdiction of Major Thomas O’Halloran and the Protector of Aborigines, Matthew Moorhouse.A large party of men, including police under the command of James Rigby Beevor, left Adelaide on 31 May.They met up with another group of overlanders, led by Alfred Langhorne, on 22 June, who had been attacked two days earlier at the Rufus River.