https://www.youtube.com/watch?feature=player_embedded&v=NyE0SXDZ1uw

Spied upon by MI19 in a bugging operation of unprecedented scale and cunning, 4,000 German POW's revealed their inner thoughts about the Third Reich and let slip military secrets that helped the Allies win WWII.

Based on groundbreaking research conducted by a German historian, the film tells the story of how those conversations were recorded and how they can now reveal, in more shocking detail than ever before, the hearts and minds of the German fighter. In total, more than 100,000 hours of these secret recordings were made