While a wartime International Red Cross investigation established the murders occurred in Soviet-occupied Poland before the German advance into those territories where they discovered the mass graves, the Supreme Allied prosecutors and judges at the [[Nuremberg War Crimes Tribunal]] assented to Soviet demands that this war crime be included in the indictment against top Nazis, for which the defendants were convicted, along with all the other charges of [[genocide]]. | While a wartime International Red Cross investigation established the murders occurred in Soviet-occupied Poland before the German advance into those territories where they discovered the mass graves, the Supreme Allied prosecutors and judges at the [[Nuremberg War Crimes Tribunal]] assented to Soviet demands that this war crime be included in the indictment against top Nazis, for which the defendants were convicted, along with all the other charges of [[genocide]]. |