On April 12, 1946, Col. John Amen of the Americn Delegation cross-examined Kaltenbrunner. He was confronted regarding concentration camps by an affidavit stating he had visited Mauthausen Concentration Camp and had witnessed gassing. He denied this. He denied his signature on Orders and maintained that everything was ordered the Reich Security Office, Himmler or Heydrich.
Produced by US Army Signal Corps 1945-1956, housed in National Archives and Records Administration (NARA). Digitized and provided by The United States Holocaust Memorial Museum; Steven Spielberg Film and Video Archive.