Prisoner of war From Buchanan Castle, Hess was transferred briefly to the Tower of London and then to Mytchett Place in Surrey, a fortified mansion, designated "Camp Z", where he stayed for the next 13 months. Churchill issued orders that Hess was to be treated well, though he was not allowed to read newspapers or listen to the radio. Three intelligence officers were stationed onsite and 150 soldiers were placed on guard. By early June, Hess was allowed to write to his family. He also prepared a letter to the Duke of Hamilton, but it was never delivered, and his repeated requests for further meetings were turned down. Major Frank Foley, the leading German expert in MI6 and former British Passport Control Officer in Berlin, took charge of a year-long abortive debriefing of Hess, according to Foreign Office files released to the National Archives. Henry V. Dicks and John Rawlings Rees, psychiatrists who treated Hess during this period, noted that while he was not insane, he was mentally unstable, with tendencies toward hypochondria and paranoia. Hess repeated his peace proposal to John Simon, 1st Viscount Simon, then serving as Lord Chancellor, in an interview on 9 June 1942. Lord Simon noted that the prisoner's mental state was not good; Hess claimed he was being poisoned and was being prevented from sleeping. He would insist on swapping his dinner with that of one of his guards, and attempted to get them to send samples of the food out for analysis. While in Scotland, Hess claimed to have discovered a "secret force" controlling the minds of Churchill and other British leaders, filling them with an irrational hatred of Germany. Hess claimed that the force acted on Hitler's mind as well, causing him to make poor military decisions. He said that the Jews had psychic powers that allowed them to control the minds of others, including Himmler, and that the Holocaust was part of a Jewish plot to defame Germany. In the early morning hours of 16 June 1942, Hess rushed his guards and attempted suicide by jumping over the railing of the staircase at Mytchett Place. He fell onto the stone floor below, fracturing the femur of his left leg. The injury required that the leg be kept in traction for 12 weeks, with a further six weeks bed rest before he was permitted to walk with crutches. Captain Munro Johnson of