SS-Obersturmführer Walter Witossek. The latter often presided over the police "trio", signing mass death sentences for Polish political prisoners, which were later pronounced by the ad hoc court of the security police.Regina Domańska: Pawiak... op.cit, p. 417. In October 1943, Bürkl was tried and condemned to death in absentia by the Polish Resistance's Underground court, and shot dead by the AK in Warsaw, a part of Operation Heads that targeted notorious SS officers. That same month, von Sammern-Frankenegg was killed by Yugoslav Partisans in an ambush in Croatia. Himmler, Globocnik and Krüger all committed suicide at the end of the war in Europe in May 1945. The General Government Governor of Warsaw at the time of the Uprising, Dr. Ludwig Fischer, was tried and executed in 1947. Stroop was captured by Americans in Germany, convicted of war crimes in two different trials (U.S. military and Polish), and executed by hanging in Poland in 1952, along with Warsaw Ghetto SS administrator Franz Konrad. Stroop's aide, Erich Steidtmann, was exonerated for "minimal involvement"; he died in 2010 while under investigation for war crimes. Sturmbannführer Hermann Höfle who helped carry out the July 1942 Grossaktion Warsaw committed suicide after being arrested in 1962. Walter Bellwidt, who commanded a Waffen-SS battalion among Stroop forces, died on 13 October 1965. Hahn went into hiding until 1975, when he was apprehended and sentenced to life for crimes against humanity; he served eight years and died in 1986. SS Oberführer Arpad Wigand who served with von Sammern-Frankenberg as SS and Police Leader in Warsaw from 4 August 1941 to 23 April 1943 was tried for war crimes in Hamburg Germany in 1981 and sentenced to 12.5 years in prison; died 26 July 1983. Walter Reder reportedly served in the SS Panzer Grenadier Training Battalion III; he served a jail sentence in Italy from 1951 to 1985 for war crimes committed in 1944 in Italy, and died in 1991. Josef Blösche was tried for war crimes and executed in 1969. Heinrich Klaustermeyer was tried for war crimes in 1965 and sentenced to life in prison. In 1976, he was released from prison on the grounds of his advanced cancer, and died 13 days later. The Warsaw Ghetto Uprising of 1943 took place over a year before the Warsaw uprising of 1944. The ghetto had been totally destroyed by the time of the general uprising in the city, which