The Kill Zone by David Hagberg
Capping a twenty-five year career with the Central Intelligence Agency, Kirk McGarvey has been named the agency's interim director by the President of the United States. But what should be the culmination of McGarvey's career has activated a twenty-year old Russian plot. The Cold War is over, but McGarvey is still a target for assassination. Step by inexorable step the assassin is awakened from a sleeper state. Brainwashed by KGB doctors to pull the trigger, the killer has unknowingly awaited a signal that has finally arrived. It's becoming clear to McGarvey and his associates that the killer is someone within his inner circle. A personal friend. Someone very close. Whom can McGarvey trust? Can he even trust himself?