He was a finance minister of Prussia. And later he was offered NSDAP golden insignia that he accepted. He grew close to Friedrich Goerdeler as persecution of Jews increased with arrests, destruction of property and business that he resented. He had secret discussions with Heinrich Himmler to hold discussions with western powers for an honorable terms for stopping the war. The activities of popitz resulted in arrest by Gestapo after the failure of plot and he was tried by people's court by Freisler and he was sentenced to death. He told Gestapo clearly that Jews must go from the state of Germany but the methods adopted. By the govt are not acceptable and it can not be sudden. Himmler hoped that some fruitful result would evolve from discussions with western powers but when it was clear that nothing would come out he gave a nod and Popitzwas executed in Feb 1945 at Plotzsee prison in Berlin.