The Slaughter Man

On New Year's Day, a wealthy family is found slaughtered inside their exclusive gated community in north London, their youngest child stolen away. The murder weapon is a gun for stunning cattle, leading Detective Max Wolfe to a dusty corner of Scotland Yard's Black Museum devoted to a killer who thirty years ago was known as the Slaughter Man. But the Slaughter Man is now old and dying. Can he really be back in the game?