Polygraphs are widely viewed as unreliable indicators of lies, despite the Trump administration’s increasing reliance on the tool to weed out agitators in the federal government. However, experts say ...

The head of a federal agency was reportedly given a polygraph test after an apparent news leak — even though such “lie detection” measures are considered junk science. As Politico reports, a lie ...

Federal agencies have stepped up their efforts over the past few weeks to find potential leakers, and some — like the FBI, the Department of Homeland Security and the Department of Defense — are ...

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 ...