Even when police follow all of the laws and national standards, questions remain about the use of polygraphs in criminal investigations. Polygraphs measure physiological responses to questions; that ...

In the quest to build a better lie detector, scientists are seeking to go beyond the body's indirect signals to the very seat of deceit: the brain. One researcher has built a headband outfitted with ...

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 ...

In Season 8, Episode 10 of "The Simpsons" — an episode parodying the popular 1990s sci-fi thriller "The X-Files" — Homer Simpson is being questioned by two federal agents at a police station. "This is ...

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 polygraph or lie detector test has been in use for over 100 years. It has been heralded as a technological marvel that allows investigators to accurately determine when someone is lying and when ...

Lara Warmelink does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...