When Auschwitz and other camps were liberated, the British army sent along a film unit. With the help of supervising director Alfred Hitchcock, the shocking footage was meant for a documentary called German Concentration Camps Factual Survey. However, as the war came to a close, the governments that had once supported exposing German crimes had a new interest in reconciliation and plans for the film were scrapped. 70 years later, a new documentary, Night Will Fall, tells the story of how the foo