From the thesis abstract: "This monograph examines defector operations and their suitability as a weapon for use against Al Qaeda. The United States has a long history of conducting Defector Operations. During the Vietnam conflict 194,000 enemy personnel defected to the United States and her ally. The majority of these individuals were then exploited for intelligence, propaganda, and other capabilities beneficial to the allies and detrimental to the communist cause. In spite of this and other similar experiences there is barely a mention of defector operations in modern unclassified doctrine; nor, more importantly, have defector operations been employed as a weapon against Al Qaeda. Al Qaeda has many characteristics in common with the Vietnam insurgents as well as other insurgencies from the last century against whom defector operations were applied. These common characteristics make Al Qaeda similarly susceptible to the capabilities of defector operations."
Defense Technical Information Center (DTIC): http://www.dtic.mil/