Serial child-killer Robert Black worked as a delivery driver, preying on young girls up and down the country. Black’s own childhood was fraught with violence and abandonment. His biological mother left him shortly after his birth, while his alcoholic foster mother neglected and physically abused him.Join MacIntyre and distinguished criminologist Dr Elizabeth Yardley as they unpick the psychology of one the most complex killers. See acast.com/privacy for privacy and opt-out information.