Research is identifying alternative methods to the polygraph, but some doubt whether true lie detection is possible.

Add Yahoo as a preferred source to see more of our stories on Google. (NEXSTAR) — A recent polygraph test taken in Orange County, more specifically, on Bravo’s “The Real Housewives of Orange County,” ...

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Stormy Daniels was "truthful about having unprotected vaginal intercourse with Donald Trump in July 2006," according to a polygraph test report from 2011. The report states that the "probability of ...