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

Alex Murdaugh failed a polygraph test administered as part of the plea agreement for the disgraced former attorney's raft of financial crimes, violating the deal, which required his truthfulness, ...

Gary Coleman’s ex-wife, Shannon Price, took a polygraph test about the late actor’s fatal fall — and the test administrator wasn’t impressed with her results. “The [polygraph] recording is 100 percent ...

Five U.S. Democratic lawmakers called for an investigation into a series of escalating controversies surrounding ...

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 ...

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(CNN) — Alex Murdaugh failed a polygraph test administered as part of the plea agreement for the disgraced former attorney’s raft of financial crimes, violating the deal, which required his ...