U.S. Army Counterintelligence Handbook

The life of a counterintelligence (CI) operative has been immortalized in film and novels as being filled with glamour and excitement. While international travel, heroism, and danger are all part of the job description, the fundamentals of counterintelligence are discipline, skill, and—well—intelligence. CI operations include conducting investigations, offensive and defensive operations, security and vulnerability analyses, and intelligence collection in peace and at all levels of conflict ...