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.

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 Lohagad Fort murder investigation has revived debate over the use of polygraph tests in criminal investigations ...

A Mohali court on Tuesday dismissed a petition filed by five Punjab policemen against the polygraph test in connection with the controversial interview of gangster Lawrence Bishnoi recorded while he ...

U.S. Customs and Border Protection (CBP) spent $5 million on polygraph exams for job applicants who should have been deemed unqualified, according to a report from the Department of Homeland ...

In the course of the committee’s work, we reviewed some material on the origin and history of polygraph testing. Some of this material is presented here because it provides interesting context and ...