The Federal Bureau of Investigation (FBI) has found itself embroiled in a rather odd situation involving polygraph tests. In April, it confirmed to NPR that it was using these tests to catch personnel ...

Further spurred by another negative polygraph experience, the resulting deep dive on polygraphs and examination methods ...

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 ...

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, ...

WASHINGTON—In a small interrogation room in Virginia with a one-way mirror, employees from across the Department of Homeland Security are being summoned and hooked up to a polygraph machine. They are ...