World War II He was released when
Soviet Union occupied Lithuania in June 1940 and was given a job as an assistant security officer at the
NKVD office in
Telšiai. His duties included securing the Soviet Union – Nazi Germany border. He was involved in mass arrests of the "
enemies of the people" and the
June deportation. Conflicting witnesses testimony implicated Dushanski in the
Rainiai massacre, one of the many
NKVD prisoner massacres at the beginning of the
German invasion of the Soviet Union. According to Dushanski, at the time he was returning from a vacation in
Crimea and was attempting to evacuate his family from Šiauliai into Russia. However, the train did not leave the station and his parents and three siblings perished during
the Holocaust; only his brother Jacob survived. Dushanski evacuated through
Pskov to
Leningrad. He was stationed in
Moscow during the
Battle of Moscow and was put on firewood duty. Between spring 1942 and summer 1943, he attended intensive NKVD training courses on identification of spies, recruitment, interrogation, and other areas in preparation for work behind the German lines. He became a junior lieutenant of the KGB in January 1943, captain by 1945, and lieutenant colonel in 1956. He was deployed in the
Smolensk area to capture German officers and other collaborators. Dushanski and other agents would dress in German uniforms, cross the front line, and arrest German officers.
Post-war After the
Minsk Offensive, Dushanski returned to Lithuania where he was assigned to the duties of the suppression of the
Lithuanian partisans, the armed
anti-Soviet guerrilla fighters. He was involved in the liquidation of the commands of the
Tauras,
Dainava, and
Prisikėlimas districts, the killing of
Juozas Vitkus and
Juozas Lukša, and arrest and torture of
Adolfas Ramanauskas. According to Dushanski, he was also involved in the apprehension of former
Nazi collaborators, Holocaust perpetrators, and members of the
Lithuanian Auxiliary Police Battalions (
Schutzmannschaft). In 1964, Dushanski graduated from the Law Faculty of
Vilnius University. He retired from the Soviet security agencies in 1971 and worked as a jurist at a chemical factory and engineer at a computing directorate. He
immigrated to
Israel in 1989, just before the
collapse of the Soviet Union. ==Lithuanian investigation==