[Science] The truth about lie detectors: They don’t work and never have – AI

Lie detectors, which track pulse, blood pressure and breathing, were often used on The Jeremy Kyle ShowAlamy By Joshua HowgegoTHE Jeremy Kyle Show, which has been broadcast in the UK since 2005, was axed by ITV last week. It featured people with troubled relationships arguing in front of a live audience, often spiced up with the addition of a lie detector test. In an episode filmed recently, but never broadcast, a guest failed such a test designed to find out if he had cheated on his fiancée. He was later found dead. Lie detector tests aren’t exactly …