Cleveland's Mad Butcher of Kingsbury Run terrorized the city during the Great Depression, leaving thirteen mutilated victims in his wake. When terror gripped the streets, the mayor called on Eliot Ness—fresh from his legendary battle against Al Capone and his "Untouchables" in Chicago. Now Ness would face his most haunting case, one that would reshape his storied career as he hunted one of America's most brutal serial killers.