The polygraph examination is a key component of the security clearance process for individuals seeking access to classified information in sensitive government positions, usually within the ...

The available evidence indicates that in the context of specific-incident investigation and with inexperienced examinees untrained in countermeasures, polygraph tests as currently used have value in ...

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 ...

A polygraph is a sweat-inducing made-for-TV spectacle that even the government considers to have dubious results (there is a reason polygraph findings aren’t admissible in court). But individuals in ...

In February of 1994, the FBI arrested Aldrich Ames, who had been a CIA employee for 31 years. Ames was arrested and charged with espionage. He was a Russian spy. For nine years, he had been passing ...

Attorneys for Christine Blasey Ford, the woman who’s accused Supreme Court justice nominee Brett Kavanaugh of sexual assault, released the results of a polygraph test focused on the decades-old ...

It has long been believed that lies could be detected by paying attention to physiological reactions when someone is questioned, but it wasn’t until the 1920s that a device was created to do the job.

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 ...

Good morning. On behalf of the National Academies and my colleagues on the committee, I welcome those of you in the room as well as those listening to the live audio webcast. We are pleased to be here ...