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

The polygraph, known more commonly as the “lie detector,” has a long and controversial history as a forensic tool, but it has also been used in a variety of other contexts, including employment ...

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,” ...

The Department of Homeland Security (DHS) is using polygraph tests to figure out who could be leaking information to news outlets, with some agency officials contending the disclosed information has ...

In this controlled experiment, an intensive training process is put to the test against a polygraph examination. The ...

Add Yahoo as a preferred source to see more of our stories on Google. Questioning the validity of the lie-detector test itself in the above clip, Katie presents receipts that she believes point to a ...