A version of this story appeared in the On Background newsletter from The Washington Times. Click here to receive On Background delivered directly to your inbox each Friday. The Drug Enforcement ...

The Federal Bureau of Investigation (FBI) has found itself embroiled in a rather odd situation involving polygraph tests. In April, it confirmed to NPR that it was using these tests to catch personnel ...

First of all, what is a lie detector? It’s also known as a polygraph test. In movies and TV shows, it is used to decide if a suspect is innocent or guilty. But it’s not quite that simple. Recommended ...

The polygraph test has been used for some time for things like interrogating suspects and screening government employees and police officers, but the exact science behind the polygraph is not so ...

Alex Murdaugh failed a polygraph test administered as part of the plea agreement for the disgraced former attorney's raft of financial crimes, violating the deal, which required his truthfulness, ...

When you think of polygraph examinations, crime comes to mind. But the tests are being used to fish out potential cheaters in a Connecticut-based bluefish tournament. Stream Connecticut News for free, ...

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 ...

Can a lie detector be made more honest? Yes, according to tech company Converus, if the human element is removed from the test administration process. It’s been 100 years since the invention of the ...

Among the colorful, eccentric and often highly unethical characters who populate the history of the polygraph was the virtuous John Larson, who in 1920 was the only cop in America with a doctorate, ...