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Re:Why Lie Detector Tests Can’t Be Trusted by gmoore on Monday July 29, 2019 @12:37PM (#20556455)
There is a lot of great info on the subject at https://antipolygraph.org/
Re:Why Lie Detector Tests Can’t Be Trusted by pseudolus on Monday July 29, 2019 @12:53PM (#20556670)
The site offers a >200 page free PDF that details the failings of polygraph testing and lists extensive countermeasures [0].

[0] https://antipolygraph.org/lie-behind-the-lie-detector.pdf