Add Yahoo as a preferred source to see more of our stories on Google. American inventor John Larson, right, demonstrates the operation of a polygraph at Northwestern University in Evanston, Illinois, ...

In the course of the committee’s work, we reviewed some material on the origin and history of polygraph testing. Some of this material is presented here because it provides interesting context and ...

The term “lie-detector” suggests that a polygraph machine can detect lies. However, this device, which is commonly used in criminal investigations, actually measures nervous excitement. It operates on ...

Alex Murdaugh failed a polygraph test administered as part of the plea agreement for the disgraced former attorney's raft of financial crimes, violating the deal, which required his truthfulness, ...

Pune: The investigation into the murder of businessman Ketan Agarwal has entered a crucial phase, with police seeking to conduct a polygraph test, commonly known as a lie detector test, on the prime ...

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 ...