The letter, written by escapee Roy Langlois, is revealed for the first time by his daughter in Channel 5 s The Great Escape, which airs tonight at 9pm.
Nazis knew about Great Escape: Files show Germans let plan go ahead so they could punish escapees dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.