Books by John F. Sullivan

John Sullivan was one of the CIA's top polygraph examiners during the final four years of the war in Vietnam. In this book he tells what it was like to be an agency officer working in Vietnam, Cambodia, and Laos during those chaotic years, putting a human face on covert operations.

John F. Sullivan was a polygraph examiner with the CIA for thirty-one years, during which time he conducted more tests than anyone in the history of the CIA's program. The lie detectors act as the Agency's gatekeepers, preventing foreign agents, unsuitable applicants, and employees guilty of misconduct from penetrating or harming the Agency.