Word: polygraph
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...measure pulse rate, blood pressure, breathing and perspiration as the subject answers a series of yes-or-no questions. Explains Sergeant Michael McFadden of the Washington police department: "There's always a fear attached when somebody lies, and that causes a physical reaction that can be read." Professional polygraphers say their tests are reliable in more than 90% of the cases if interpreted by a competent examiner. But University of Minnesota Professor David Lykken, author of A Tremor in the Blood, says the tests are accurate only two-thirds of the time and are far more likely...
...whereabouts at the time of the crime when police arrested him for murder six weeks later. The FBI had matched his palm print with one found in Mears' apartment. Nearly ten years later, McCray says he still does not know whether he is guilty. He has passed two polygraph tests, which prosecutors would not permit in evidence at his trial. An eyewitness who placed McCray in the woman's neighborhood at the time of the slaying later recanted, saying police had coached and coerced him. The physical evidences of rape could not be linked to McCray...
Brookline Municipal Court Judge Henry P. Crowley dismissed the case September 27 after Sealise passed a polygraph test...
When Silverman began his inquiry a year later, he took Furino up on the polygraph offer. Furino still denied knowing Donovan. But officials say Furino flunked the test-and not just once. "Freddie took a dive six times," claims one investigator. Whether Furino also denied any acquaintance with Donovan in his grand jury testimony has not been revealed. But he disappeared from his New Jersey trucking company office shortly afterward, on June...
...Washington for protection and lodged with an official of the AFL-CIO, under whose auspices Hammer and Pearlman had been working on land reform when they were murdered. The labor organization has offered a $50,000 reward for information leading to their killers. While in Washington, Torres passed a polygraph test and convinced U.S. officials that she was a truthful witness...