“Mitterrand came to suspect that Vetrov had all along been a CIA plant set up to test him to see if the material would be handed over to the Americans or kept by the French. Acting on this mistaken belief, Mitterrand fired the chief of the French service, Yves Bonnet.”
https://www.wired.com/story/the-secret-history-of-a-cold-war-mastermind/"Did we really win the Cold War after all, and who, exactly, is “we” in this case?"
https://educationforum.ipbhost.com/topic/18732-three-important-assassinations/