Heinrich Himmler was an early member of the Nazi Party. In 1929, he was appointed head of the Nazis SS. After liquidating Erich Roehm and the rest of the Brown Shirts, Himmler became the indisputable leader of the secret police of Nazi Germany.
As head of the SS and all other police, Himmler was responsible for implementing the Final Solution- the elimination of Europe's Jews. Himmler committed suicide soon after being captured by British forces.