They feature frequently in real-life murder documentaries and, until 2019 when The Jeremy Kyle Show was taken off air, were a huge focal point for reality TV shows. But what does it feel like to ...

Aired (September 14, 2025): Is it possible to tell if someone's lying with just a gadget? Join us as we explore the science behind lie detection and put it to the test in this exciting iBilib ...

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 ...

A: A polygraph, also called a lie-detector test, is generally used during interrogation by police. The instrument works by recording physiological functions such as blood pressure, heartbeat, ...