The polygraph, known more commonly as the “lie detector,” has a long and controversial history as a forensic tool, but it has also been used in a variety of other contexts, including employment ...

Until recently, the most famous application of the polygraph machine in the United Kingdom was probably the Jeremy Kyle Show. Unlike in the United States, where there are an estimated three million ...

The polygraph is not a lie detector but rather an instrument that measures a person’s physiological changes to questions posed by the examiner. An elevated physiological response to a particular ...

The polygraph or lie detector test has been in use for over 100 years. It has been heralded as a technological marvel that allows investigators to accurately determine when someone is lying and when ...

"Even before the tremendous polygraph advancements, they were never considered per se unreliable in New Jersey," writes Frederick P. Sisto. Even before the tremendous polygraph advancements, they were ...

A version of this story appeared in CNN’s What Matters newsletter. To get it in your inbox, sign up for free here. When President Ronald Reagan’s White House threatened thousands of government ...