“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 ...

CLEVELAND, Ohio - In Hollywood, polygraph machines help dogged detectives sort through the lies and get to the truth. For Northeast Ohio law enforcement agencies, the reality is much different. Many ...

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 ...

Jerry Lewis, a retired New Jersey State Police lieutenant who has been administering polygraphs since 1981, joins host Matt Adams to peer inside the mechanics of the test. Jerry Lewis, a retired New ...

Malfunctions in polygraph equipment operated by the Pasco County Sheriff's Office date to July 1990, according to records released by sheriff's officials Thursday. The records, released at the request ...

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 ...