King County Sheriff John Urquhart’s chief of staff failed a polygraph test required for his employment in 2012 and shouldn’t have been hired, a detective who reviewed the test results later concluded.

Attorneys for Dr. 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 ...

Federal agencies have stepped up their efforts over the past few weeks to find potential leakers, and some — like the FBI, the Department of Homeland Security and the Department of Defense — 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 ...

The polygraph (lie detector) is a good example of a test that was once seen as both valid (measuring what it is supposed to measure) and useful. But, modern research on the polygraph has revealed that ...

The UK government recently announced it was planning to increase the use of polygraphs to monitor offenders on probation, specifically those convicted of terrorist offences. This is one of several new ...

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 ...

Lawyers for Christine Blasey Ford, the California professor accusing Supreme Court nominee Brett Kavanaugh of sexually assaulting her at a party more than three decades ago, on Wednesday released 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 ...

After Chicago police repeatedly questioned Donny McGee about the murder of his elderly neighbor, a detective on the case asked him to “face the truth” and take a polygraph. McGee was taken to the ...