the father-of-three was sentenced to death for murdering his family , stuffing them in suitcases and dumping their bodies in coastal bays .
he then went on a booze-fuelled holiday to the resort of cancun , mexico , where he posed as a shamed new york times reporter - before he was captured by the fbi , arrested and charged .
now a film about his life , true story , starring james franco and jonah hill , has been released .