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Science Myths A Lot of People Still Believe & The Strange Story of the Polygraph

Something You Should Know

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The History of the Polygraph

The first cases of the polygraph were in 1921, and they were overwhelmingly looking at dormitory thefts. The most recent estimates suggest that there are about three million lie detectors tests a year in the United States. It is still used by police departments where they want to get a confession from someone without necessarily having to take a case to trial.

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