about this film was getting people to talk full stop, particularly in Germany but also the head of the Mossad, Zvi Zamir, didn't want to talk and didn't want to talk and he was persuaded finally by the argument, "Did he want Israeli history to be told by Arabs and Germans?", that seemed to be the clincher for him. Hans Dietrich Genscher, who was the German Interior Minister in 72, then Foreign Minister and who played a key role in the event and whom we have only very briefly in the film, he refused and refused and refused. He's never talked about this to the press since the day it happened and he eventually agreed I think a week before we locked the cut. So it took 18 months or more to get him to talk and he gave us a 10-minute interview. Why were the Germans being so cagey? Kevin : Because they're deeply embarrassed about it and I think what's happened is they're deeply embarrassed not so much now at what happened but about the cover up and the fact that they've actively been preventing people from finding out the truth all these years. I don't think there was any corruption, anything very deliberate about what happened. I think it was just lack of experience and incompetence on a simple level and secondly I think they did not - it was kind of like a Freudian slip on a giant scale; like the thing that you most don't