In this series on the polygraph, I’m reviewing some of the applications and issues of interest to security personnel considering polygraphs as a tool for pre-employment screening and in investigations ...

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 ...

While polygraph tests are consistently labelled unreliable by the scientific community, they often make for interesting ...

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, ...

(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 ...