William R. Johnson, "Thwarting Enemies at Home and Abroad: How to Be a Counterintelligence Officer"
English | 2009 | ISBN: 1589012550, 093212304X | 222 pages | PDF | 5,2 MB
Originally published in 1987, "Thwarting Enemies at Home and Abroad" is a unique primer that teaches the principles, strategy, and tradecraft of counterintelligence (CI). CI is often misunderstood and narrowly equated with security and catching spies, which are only part of the picture.