Peter Butterworth beyond the camp grounds. He was subsequently sent to Stalag Luft III, near Sagan, the scene of "The Great Escape". Whilst at Stalag Luft III he met Talbot Rothwell, who later went on to write many of the Carry On films in which Butterworth was to star. Rothwell and Butterworth formed a duet and sang in the camp shows, where booing and catcalls covered the sounds of an escape tunnel being dug by other prisoners. Butterworth was one of the vaulters covering for the escapers during the escape portrayed by the book and film "The Wooden Horse". Butterworth later auditioned
Stalag Luft III murders returned to Stalag Luft III. British Military Intelligence was made aware of the extraordinary events even during conditions of wartime by letters home and as a result of communications from the protecting power, Switzerland, which as a neutral party regularly reported on conditions in prisoner camps to both sides. Notices posted in Allied POW camps on 23 July 1944 that "THE ESCAPE FROM PRISON CAMPS IS NO LONGER A SPORT" in the wake of the Stalag Luft III escape, as well as the suspicious deaths of fifty officers during their recapture, led the British government to suspect a war crime