Answer: nkvd

AnswerCrossword Clue
NKVDSoviet secret police
NKVDOGPU's successor.
NKVDThe MVD from 1934 to 1946.
NKVDRelative of Gay-Pay-Oo.
NKVDIt's now MVD.
NKVDSuccessor to OGPU
NKVDFormer Soviet police
NKVDO.G.P.U. successor
NKVDSecret-police letters
NKVDPredecessor of the KGB