“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 ...

U.S. interrogators turned an al Qaeda terrorist into a human polygraph machine while investigating the bombing of the USS Cole – an attack whose eleventh anniversary is today. What has since happened ...

U.S. Air Force Staff Sgt. Jason Arnold, 407th Expeditionary Communications Squadron, acts as an examinee for an Office of Special Investigations polygraph examiner during Operation Iraqi Freedom at ...

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 ...

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 ...

In terms of catching spies, polygraph tests failed spectacularly in key moments. More on that in a moment. First, consider the second Trump administration, which is leaning in on polygraphs, ...

Here’s a video of Marston using a polygraph-like machine and claiming to identify the varying emotions of blonde, brunette and redheaded women. His conclusion was that redheads like to gamble, ...