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 has been weaponized and is being used against individuals who have never had a polygraph requirement, whether pre-employment or security, in their entire federal careers,” said Mark ...

In my first article in this series on the polygraph, I introduced a bit of history about the “lie detector.” Today I’ll review some of the applications of these devices in the 20th century. A report ...