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Forensics Polygraph
Updated: 9/27/2019
Forensics Polygraph
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Storyboard Text

  • 1921, John Augustus Larson
  • I've just created the polygraph. It works by detecting certain biological cues associated with lying.
  • How it Works
  • They use a series of control questions and relevant questions. A subject who has committed the crime will get more nervous with the control questions. While a subject who did commit the crime will get more nervous with the relevant questions.
  • 1992
  • I've just computerized the polygraph. This will really improve the machine's accuracy and efficiency.
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