One of the chief investigators at the Lubianka. In the 1930s, in charge of the questioning and torturing of Kossior, Kosarev, Chubar’ and others. Arrested after Beria’s fall.
In 1956, just before the XXth Party Congress, brought to Moscow to a plenary session of the Central Committee and ordered to describe his work in the 1930s. After the congress, he was shot (probably in 1956).