While the polygraph is often seen as a sophisticated lie detector, it's far more accurate to call it a stress detector. Polygraphs measure physiological signals like blood pressure, heart rate ...

After a decade, Ryan Reynolds finally confessed to being involved in the leak of Deadpool test footage in 2014. During a Vanity Fair lie detector interview, when co-star Hugh Jackman asked ...

The FBI and other federal agencies are using polygraph tests to find leakers Polygraph exams are commonly called "lie-detector tests" but experts say that's not true. National.

JonBenét Ramsey. ABL Studio/ZUMA Press Wire/Shutterstock. In the early morning hours of Dec. 26, 1996, JonBenét was reported missing from her home in Boulder, Colo. Patsy told police she found a ...