Production Companies: K.G. Productions , KC Medien , Katharina , Renn Productions , Canal+ , TF1 Films Production .
Overview: Kurt Gerstein—a member of the Institute for Hygiene of the Waffen-SS—is horrified by what he sees in the death camps. he is then shocked to learn that the process he used to purify water for his troops by using Zyklon-B, is now used to kill people in gas chambers.
, TF1 Films Production 
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