Judenrat's and Jewisih police were Hitler's assistors in the carnage of Jews. Also, kapo's in the German death camps in occupied Poland were mostly Jews. Jew Polanski showed the Jewish police in the Warsaw ghetto in his film "The Pianist" although he missed much the real ugly picture of then reality. Chaim Rumkowski of Lodz's ghetto (king of ghetto) delivered Jews to Germans and staright to their death. His infamous speech "Give me your children and your elderly ..." seems to be ignored by similar to you. Just google him and see for yourself.
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