Word: polygraphist
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Precisely how a rogue bag containing the bomb eluded the Frankfurt airport security system, Aviv doesn't know. Presumably this required the help of baggage handlers there. So in January 1990 he and a former U.S. Army polygraphist flew to Frankfurt, accompanied by Shaughnessy. At the Sheraton Conference Center, adjoining the airport, the polygraphist administered lie- detector tests to Pan Am baggage handlers Kilin Caslan Tuzcu and Roland O'Neill. Pan Am had determined that they were the only ones who were in a position to switch suitcases and place the bomb-laden bag aboard Flight...
Tuzcu took the test three times, and O'Neill took it twice. As the polygraphist later testified before a federal grand jury in Washington, Tuzcu "was not truthful when he said he did not switch the suitcases." The polygraphist also told the grand jury, "It is my opinion that Roland O'Neill wasn't truthful when he stated he did not see the suitcase being switched, and when he stated that he did not know what was in the switched suitcase." The two men continued to claim ignorance of a baggage switch...
...another occasion, G.P.C.'s psychologist Alan Strand and polygraphist Robert Cormack delved into the character and past of a suburban fireman who had been on the force for several years. He now wanted to transfer to the fire department in another town. They learned that he was an arsonist who had already set several fires...
...only 60% to 65% accurate; but the two combined score about 95%. The lie-detector test at the end of the evaluation is seen as a threat, and encourages applicants to tell the truth in the written examinations; the psychologist's oral probing reveals sensitive spots on which Polygraphist Cormack can concentrate. Significantly, most police departments use only one of the methods in their own screening...
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