Bruno Müller " Obersturmbannführer " Bruno Müller or Brunon Müller - Altenau ( Strasbourg , September 13 , 1905 – March 1 , 1960 , Oldenburg ) served as Senior Storm Unit Leader during the Nazi German invasion of Poland . In September 1939 , he was put in charge of the " Einsatzkommando " 2 / I attached to " Einsatzgruppe " I of the Security Police . They were deployed in Poland along with the 14th Army of the Wehrmacht . Little is written about Müller ' s life before that , although his wartime career is fairly well documented . Paramilitary posts . Müller was head of the Gestapo office ( " Geheimstaatspolizei " ) in Oldenburg from 1935 until World War II . During the invasion of Poland , he served as one of four captains of the mobile killing squads ( " Einsatzkommandos " ) within " Einsatzgruppe " I , led by " SS - Standartenführer " Bruno Streckenbach . In total , eight " Einsatzgruppen " ( ) had been deployed in Poland . They were active until late 1940 , and composed of the Gestapo , Kripo and SD functionaries involved in extermination actions including Operation Tannenberg as well as " Intelligenzaktion " against the Polish cultural elites . Müller was appointed commander of the Gestapo Division 4 " Krakau " in the new General Government district ( " Generalgouvernement " ) two months after the attack . " Sonderaktion Krakau " . Müller personally conducted the operation " Sonderaktion Krakau " against the Polish professors in occupied Kraków . On November 6 , 1939 at the Jagiellonian University ( UJ ) lecture room no . 56 of the Collegium Novum , he summoned all academics for a speech , where he announced their immediate arrest and internment . Among them were 105 professors and 33 lecturers from the Jagiellonian University , including its rector Tadeusz Lehr - Spławiński , 34 professors and doctors from University of Technology ( AGH ) , 4 from University of Economics ( AE ) and 4 from Lublin and Wilno universities , as well as the President of Kraków , Dr Stanisław Klimecki who was apprehended at home . All of them , 184 persons in total , were transported to prison at Montelupich , and – some three days later – to detention center in Wrocław ( ) . They were sent to Sachsenhausen concentration camp on the other side of Berlin two weeks later , and in March 1940 further to Dachau near Munich after a new ' selection ' . Following international protest involving prominent Italians including Benito Mussolini and the Vatican , surviving prisoners older than 40 , were released on February 8 , 1940 . More academics were released later . However , over a dozen died in captivity , including Stanisław Estreicher , and several others right after their return , owing to emaciation . " Einsatzkommando " 11b leadership . Müller briefly served as the RKF chief of staff in Silesia in late 1940 , replaced by " SS - Obersturmbannführer " Fritz Arlt in preparation for the Action Saybusch in Żywiec . Soon later , following the German attack on the Soviet Union , Müller was selected as leader of the " Einsatzkommando " " 11b " attached to the 11th Army of the Wehrmacht . He operated along with the entire " Einsatzgruppe D " ( consisting of 600 men ) in the territory of Crimea in southern Ukraine . From there , they went to Southern Bessarabia and the Caucasus . His " Einsatzgruppe " D " mobile killing unit " ( term used by Holocaust historians ) , of which " Einsatzkommando " 11b was a part , became responsible for the murder of over 90 , 000 people , an average of 340 to 700 victims per day . Müller ' s activities in the region are not as well - documented as those of some other Nazi leaders . At the beginning of August 1941 he led the unit that massacred about 155 Jews , including women and children in the city of Bender in Moldova . Müller , who was a heavy drinker , insisted that to be trusted every one of his men first , had to burn " the bridges to respectable society " by committing murder at least once . One account tells of how he modeled the killing process by shooting a two - year - old child and the child ' s mother , then told his officers to follow his example . In October 1941 , four months after the commencement of Operation Barbarossa , Müller was replaced as leader of " Einsatzkommando " " 11b " by " " Werner Braune , who was later named by Commander Otto Ohlendorf in his killing tally sent to Berlin . Müller served at Rouen , Prague and Kiel before the end of World War II . In 1947 he was apprehended by the Allies and put on trial as a war criminal in December 1947 , for his role in the atrocities committed in Nordmark at the " KZ Hassee – Kiel " slave labor camp where 500 prisoners died between May 1944 and the end of the war . Müller was sentenced to 20 years of hard labor , but was released 5 years later due to amnesty laws . He died of natural causes in 1960 at the age of 54 , after having worked as a salesman in West Germany for the remainder of his life . Film adaptations . " Obersturmbannführer " Müller stationing in occupied Kraków , was portrayed in the award - winning film " Katyń " made in 2007 by Andrzej Wajda , and played by the Berlin - based actor Joachim Paul Assböck ( Assboeck ) . Assböck appeared also in such films as The Baader Meinhof Complex ( 2008 ) ; and more recently , In Darkness ( 2011 ) by Agnieszka Holland .