LIBROS DEL AUTOR: katherine l herbig

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  • Changes in Espionage by Americans
    Katherine L. Herbig / Katherine LHerbig
    Since 1987, the Defense Personnel Security Research Center (PERSEREC) has maintained a database on espionage by American citizens based largely on open sources, and has collected files on each of the 173 individuals in the database. Although its main focus is the personnel security system, PERSEREC monitors and analyzes espionage by Americans in order to improve understanding o...
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