- - Soviet Russia's first secret police organisation, active from 1917 to 1922
- - ......, OGPU, NKVD.
- - Soviet committee.
- - Agency of the Soviet Union preceding the OGPU and KGB
- - First of a succession of Soviet state security organisations
- - Bolshevik secret police created in 1917
- - K.G.B. ancestor
- - Lenin's security service
- - secret police inspector is heard
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