Ernst Kaltenbrunner (German ; Ernst Kaltenbrunner Born ; 4th October 1903 in Ried im Innkreis,Austria/Died ; 16th October 1946 in Nuremberg,Bavaria,Germany) was an High Ranking Austrian SS Offical During the Nazi Era and 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 by being hanged . He was also the Nazi Officer who replaced Reinhard Heydrich when Heydrich was assassinated on 27 May 1942 and died on the 4th June 1942 Ernst Kaltenbrunner was the Reich Protector Of Bohemia and Morovia and SS-Obergruppenfuhrer from 1942-1945 when Czechoslovakia was liberated from Nazi Germany by the allied forces in 1945 . Ernst Kaltenbrunner was born on 4th October 1897 in Ried im Innkreis joined the Nazi Party and the Schutzstaffel/SS in 1931 he also joined the Gestapo in 1933 . In June 1933 he was involved in the Night of the Long Knives to kill Ernst Röhm the head of the SA . He was also involved in Kristallnacht or Night Of The Broken Glass in 1938 . In 1942 during World War 2 he replaced Reinhard Heydrich as head of the Gestapo until 1945 when he was captured by the Allies .