The spy within

The Spy Within is the riveting true story of one of the most significant cases in the history of espionage, the longest-running penetration of an intelligence organization ever discovered. In October 1982, the FBI received notice from the CIA that was as cryptic as it was chilling: China was running a spy inside US intelligence. The CIA did not know, however, his identity, the agency he worked for, how long he had spent inside America's secret community, or what information he was passing to China. Over the next three years, investigators labored frantically to identify the mole, to discover…