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"Hitler’s Trojan Horse” – Nazi Intelligence with Nigel West

SpyCast

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Codenames and Covernames - What's the Difference?

Richard Vermon revealed to us that somebody called Jack will, six months later, become Ervin. He may have had an operational codename for whatever enterprise he was engaged in. And there were cryptographers and cryptan analysts on the allied side that suspected that that was the case. Once they had confirmation from the defector, Harlequin, they were then able to conduct their interrogations far more effectively.

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