 Complete the following phrase:  Bruno Sattler 17 April 1898 - 15 October 1972 of the German National Socialist Nazi Party during the closing months of 1931. After the Hitler government took power at the start of 1933 he joined the Geheime Staatspolizei Gestapo, achieving a succession of promotions during the ensuing decade. In 1942 he was posted to Belgrade with the rank of SS-Sturmbannführer, as Gestapo for occupied Serbia. He remained in post till October 1944, when the German occupation of the territory 