Frank Mitchell, known as "The Mad Axeman," was a notorious British criminal and associate of the infamous Kray twins, Ronnie and Reggie Kray. A physically imposing figure and convicted armed robber, Mitchell gained notoriety for his violent temperament and multiple prison escapes. In 1966, while serving a life sentence in Dartmoor Prison, Mitchell escaped with the help of the Kray twins, who believed freeing him would boost their underworld reputation.Mitchell was hidden in an East London flat h