Lev Sheinin

Lev Romanovich Sheinin (Russian: Лев Романович Шейнин, 1906–1967)[1] was a Soviet writer, journalist, and NKVD investigator.

[5] In the 1930s he collaborated with psychologist Alexander Luria in researching the emotional reactions of suspected criminals, work that contributed to the development of polygraph testing.

His obituary in the New York Times reported that his plays were produced throughout the Eastern Bloc and Diary of a Criminologist was "considered essential reading for law students.

[8] He was born in the village of Brusanovka (now Velizhsky district, Smolensk oblast) into a Jewish family that moved to Toropets in 1908.

[11] From 1935 he was the head of the investigative department of the USSR Prosecutor's Office,[12] State Counsellor of Justice 2nd class, a member of the Special Council of the NKVD.

Was engaged in the organisation of protection of intelligence officers Mordvinov and Kornilov after their failure in Ankara, contributed to their exchange in the USSR.