Answer: OGPU

AnswerCrossword Clue
OGPUN.K.V.D. antecedent
OGPUSoviet secret service, 1922-34.
OGPUSoviet police initials
OGPURussian police
OGPUKremlin police
OGPURussian secret police
OGPUU.S.S.R. police
OGPURussian secret police: 1922-35
OGPUN.K.V.D. predecessor
OGPUStalin's secret police
OGPUCheka's successor
OGPUSoviet police before N.K.V.D.
OGPUSuccessor to the Cheka.
OGPUN.K.V.D.'s predecessor
OGPUPre-K.G.B. group
OGPUFormer U.S.S.R. secret police
OGPUN.K.V.D. forerunner
OGPULenin's police org.
OGPUOld Russian secret-police org.
OGPUK.G.B. predecessor
OGPUOld Soviet secret police org.
OGPUForerunner of the K.G.B.
OGPUForerunner of the NKVD and KGB
OGPUNKVD succeeded this.
OGPUKGB forerunner
OGPUKGB predecessor
OGPUSoviet secret service.
OGPUGay-pay-oo.
OGPUForerunner of NKVD and MVD.
OGPUSoviet secret service, before 1935.
OGPUForerunner of the feared N. K. V. D., Russian secret police.
OGPUFearsome initials, now MVD.
OGPUFormer initials of M.V.D.
OGPUPredecessor of MVD.
OGPUSoviet secret police, once
OGPUA predecessor of N. K. V. D.
OGPUSecret police.
OGPUFormer Russian police group.
OGPUFormer Russian police.
OGPUNKVD's former monogram.