

The Katyn massacre, carried out by the Soviet NKVD in 1940, was only one of many unspeakable crimes committed by Stalin's ruthless executioners over three decades. The mass murder of thousands of Polish officers was part of a relentless purge, the secrets and details of which have only recently been partially revealed.
Dmitry Tokarev

Leon Trotsky

Лаврентий Берия

Феликс Дзержинский
Vyacheslav Menzhinsky
Genrikh Yagoda