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Polygraphs measure physiological responses like heart rate, blood pressure, and galvanic skin response rather than deception ...

In 1979, 17-year-old Esther Gonzalez was found murdered in a snowpack off Highway 243 in Banning, California. For over four ...

Can this machine detect a lie? Discuss its reliability!

Suspect your partner or a witness is hiding something? Watch how the P300 Lie Detector Test uses EEG-measured P300 ...