Hitler often discussed this technique with his old party cronies. There is a stenographic record of a monologue of his at headquarters on May 3, 1942. “I quite understand,” he said, “why ninety per cent of the historic assassinations have been successful. The only preventive measure one can take is to live irregularly—to walk, to drive and to travel at irregular times and unexpectedly… As far as possible, whenever I go anywhere by car I go off unexpectedly and without warning the police.”