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, ...

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

(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 ...

Lawyers for Alex Murdaugh said an FBI agent conducting a polygraph test that the agency said the convicted killer flunked asked odd questions and confided he had just examined the notorious Dutch ...