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...competition with Rear Admiral [[Wilhelm Canaris]], head of the military [[Abwehr]] counterintelligence service. Canaris is reputed to have had documents tha

By the mid-twenties, German Military Intelligence [[Abwehr]] was intercepting and cryptanalyzing diplomatic traffic. Under Hermann Go

...Army, the Foreign Office and the military intelligence organisation, the [[Abwehr]]. These groups hatched conspiracies against Hitler in 1938 and again in 19 ...1938, and a convinced anti-Nazi as early as 1934. He was protected by the Abwehr chief, Admiral [[Wilhelm Canaris]]. Oster was able to build up an extensive