Ames provides personal insight into the U.S. Government's reliance on polygraphs in a 2000 letter to Steven Aftergood of the Federation of American Scientists. [1]
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Ross, Brian and Richard Esposito: Investigation Continues: Security Breach at the White House 6.10.2005. ABC News. (englanniksi) "Officials say Aragoncillo passed several lie detector tests that are routinely given to individuals with top secret clearances."
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Pablo Bachelet: Book outlines how spy exposed U.S. intelligence secrets to Cuba 13.10.2006. McClatchey Washington Bureau. (englanniksi) "She first came under U.S. suspicion in 1994, when Cuba detected a highly secret electronic surveillance system. Montes took a polygraph test and passed it."