sentences:  Nosenko claimed that the Geneva KGB residency had received a cable recalling him to Moscow and he was fearful that he had been found out.NSA was later, but not at the time, able to determine that no such cable had been sent, and Nosenko subsequently admitted making this up to persuade the CIA to accept his defection, which the CIA did.Nosenko claimed that he could provide important negative information about the assassination of President John F. Kennedy, affirming that he had personally handled a review of the case of Lee Harvey Oswald, who had lived in the Soviet Union prior to the assassination.