Rudolf Höss
Höss appeared at the Nuremberg Trials on 15 April 1946, where he explained his crimes in detail.<ref>Kevin Jon Heller.  The Nuremberg Military Tribunals and the Origins of International Criminal Law. Oxford University Press. 2011. p.149.</ref> Affidavits (sworn statements to the court) that Rudolf Höss made while imprisoned in Nuremberg were also used at the Pohl and IG Farben trials.