Ernst Kaltenbrunner (4 October 1903 in Ried im Innkreis - 16 October 1946 in Nuremberg) was a Austrian lawyer. During World War II he was an official of the NSDAP. He was the head of the Reichssicherheitshauptamt (Reich Security Head Office) and Interpol. Kaltenbrunner was the highest SS officer who was charged at the Nuremberg Trials. He was found guilty of war crimes and executed.