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  2. Polygraph - Wikipedia

    en.wikipedia.org/wiki/Polygraph

    American inventor Leonarde Keeler testing his improved polygraph on Kohler, a former witness for the prosecution at the 1935 trial of Richard Hauptmann. A polygraph, often incorrectly referred to as a lie detector test, [1] [2] [3] is a pseudoscientific [4] [5] [6] device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration, and ...

  3. Doug Williams (polygraph critic) - Wikipedia

    en.wikipedia.org/wiki/Doug_Williams_(polygraph...

    Williams administered polygraph tests for US law enforcement and private companies but came to consider the tests unreliable and harmful. [4] He subsequently quit and spent decades publicly condemning polygraph tests and commercially teaching techniques purported to affect test results. [1] [5] [6]

  4. Lie detection - Wikipedia

    en.wikipedia.org/wiki/Lie_detection

    Due to the fact that the accuracy of the CQT is often determined through whether an individual who is given the test provides the police a confession to a crime after the test is administered, this means that cases where someone was cleared of charges after taking a polygraph or, in a worst-case scenario, gives a false confession when they are ...

  5. DNA confirms man who had passed polygraph test as suspected ...

    www.aol.com/dna-confirms-man-had-passed...

    Williamson was later asked by sheriff’s investigators to take a polygraph test. The district attorney’s office said he agreed to the test and passed, which “at the time, cleared him of any ...

  6. Watch Casey Anthony's Dad Struggle Through Polygraph Test ...

    www.aol.com/entertainment/watch-casey-anthonys...

    George and Cindy Anthony are taking polygraph tests to dispute their daughter, Casey Anthony's, claims. In a clip from the upcoming A&E and Lifetime special, Casey Anthony's Parents: The Lie ...

  7. Leonarde Keeler - Wikipedia

    en.wikipedia.org/wiki/Leonarde_Keeler

    One of the earlier uses of the Keeler Polygraph was in 1937, in connection to the murder of 5-year-old Roger William Loomis in Lombard, Illinois. The subject was Grace Yvonne Loomis, the child's mother. [3] In 1938, Keeler conducted a polygraph test upon Francis Sweeney, the chief suspect in the Cleveland torso murders. Sweeney failed to pass ...

  8. Police Chief Uses Polygraph To Weed Out Racist Applicants

    www.aol.com/news/2013-03-08-police-chief-shane...

    By Sheila Burke A police chief hired to rebuild a tiny Tennessee department dismantled by scandal is using a lie-detector test to keep racists off his force. Coopertown Police Chief Shane Sullivan ...

  9. United States v. Scheffer - Wikipedia

    en.wikipedia.org/wiki/United_States_v._Scheffer

    Scheffer, 523 U.S. 303 (1998), was the first case in which the Supreme Court issued a ruling with regard to the highly controversial matter of polygraph, or "lie-detector," testing. At issue was whether the per se exclusion of polygraph evidence offered by the accused in a military court violates the Sixth Amendment right to present a defense.

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