Lie detector tests are often treated as truth machines, but they’re far from perfect. In this video, we explain how ...

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

(CNN) — A polygraph, or lie detector test, given to porn star Stormy Daniels in 2011 shows that she gave truthful answers to the questions: "Around July 2006, did you have vaginal intercourse with ...