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by Kevin Bonsor

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Please copy/paste the following text to properly cite this HowStuffWorks article:

Bonsor, Kevin.  "How Lie Detectors Work"  17 July 2001.  HowStuffWorks.com. <http://people.howstuffworks.com/lie-detector.htm>  11 February 2012.
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What's the real story?

Stuff They Don't Want You to Know Videos »
Stuff They Don't Want You to Know Videos »
Inside this Article
  1. Introduction to How Lie Detectors Work
  2. The Polygraph Machine
  3. Polygraph Examiners
  1. Lie Detector Test
  2. Countermeasures and Legalities
  3. Lots More Information
  4. See more »
    1. See all Law Enforcement articles

Lots More Information

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Inside this Article
  1. Introduction to How Lie Detectors Work
  2. The Polygraph Machine
  3. Polygraph Examiners
  4. Lie Detector Test
  1. Countermeasures and Legalities
  2. Lots More Information
  3. See all Law Enforcement articles
Previous Page

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