the hunt for the bushrangers became more organized. john chapman and a man called elliot were shot dead by the soldiers in 1817. a gang member called hillier cut peter septon's head off to claim a reward. he also tried to cut off richard colier's head. both men were hurt in the struggle. hillier was taken to sydney where he was executed by hanging. colier was executed in hobart on march 26, 1818. in april, 1818, a group of convicts tried to steal a government boat. they were going to rescue howe and take him to america. john brown, james parker, thomas coyne and mathew kegan gave themselves up to the military. they were all taken to newcastle, new south wales where they were given the lash (whipped) and sent to gaol.