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He described his three… read more. He described his three decades with the Central Intelligence Agency as a polygraph expert.
He discussed some of the investigations in which he participated and assessed the usefulness of the polygraph machine today. After his presentation he responded to audience members' questions. C-SPAN has agreements with retailers that share a small percentage of your purchase price with our network.
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He talked about the…. Intelligence from the End of the Cold War…. More information about Gatekeeper. Purchase a Download Gatekeeper. Request Download. Error requesting format availability. Your request has been submitted. There was an error processing your purchase.
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Gatekeeper: Memoirs of a CIA Polygraph Examiner
Read in I probably shouldn't rate this as I stopped reading after about 60 pages. A former CIA polygraph expert talks about his 30 year career however he does not explain the technical aspects or why he believes reading polygraphs is more art than science. John F.