Admiral Canaris
Banned
The key here are European survivors, all eastern camps where freed by the soviets, so they get in theyr hand a huge number of italias, french, duch belgian, etc. ready and willing to came back and tell what they had seen.
This people will, in immediate afterwar, actually BE relevant since many of them where partisans and part of the leadership of the antifascist parties
who come into power in that period...
If the Americans get into a war with the Soviets, they'd be sure to remove all "anti-fascists" and "partisans" from any positions of power in their zone, and quite probably put them back in the camps. "Anti-fascist" pretty much equalled Communist. The Conservative Right that opposed fascism/Nazism when it became convenient to do so wouldn't spread pro-Soviet propaganda.