On the 29th September 1945, the incomplete rough cut of a brilliant documentary about concentration camps was viewed at the MOI in London. For five months, Sidney Bernstein had led a small team – which included Stewart McAllister, Richard Crossman and Alfred Hitchcock – to complete the film from hours of shocking footage. Unfortunately, this ambitious Allied project to create a feature-length visual report that would damn the Nazi regime and shame the German people into acceptance of Allied occu...