Watch Frontline PBS online: Episode 18 Memory of the Camps

Forty years ago, Allied troops invaded Germany and liberated Nazi death camps. They found unspeakable horrors which still haunt the world's conscience. Frontline presents the world broadcast of a 1945 film made by British and American film crews who were with the troops liberating the camps. The film was directed in part by Alfred Hitchcock and is broadcast for the first time in its entirety on Frontline.

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