When it comes to lying, our brains are much more likely to give us away than sweaty palms or spikes in heart rate, new evidence suggests. The study found that scanning people's brains with fMRI, or ...

News organizations would render a valuable service if, whenever they report that someone has taken or proposes to take a polygraph, they reminded readers (or explained to them) that polygraphs are ...

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 ...

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 Drug Enforcement Administration has for years violated its own policy of ruling out for employment candidates who fail or cheat on a polygraph examination, according to a watchdog review, which ...

As a college senior in the 1960s, I applied for a government job that required a high level security clearance. I spent an hour or so at the FBI office hooked up to a polygraph. I still have rather ...