(NEXSTAR) — A recent polygraph test taken in Orange County, more specifically, on Bravo’s “The Real Housewives of Orange County,” has brought the validity of polygraphs — also called “lie detector ...

The polygraph is not a lie detector but rather an instrument that measures a person’s physiological changes to questions posed by the examiner. An elevated physiological response to a particular ...

The federal government is throwing the book at one of the most vocal critics of the polygraph test. Doug Williams, a man who makes his living teaching people how to beat the test, will go on trial in ...

A recent polygraph test taken in Orange County, Calif., has brought the validity of polygraphs — also called “lie detector tests” — into question. Even though some police departments and ...

Doug Williams, one of the country's most vocal critics of the polygraph test, will go on trial in January. For decades, he has helped people... Trial Of Polygraph Critic Renews Debate Over Tests' ...