Curtis announced on radio station KQMS that he took the exam, also known as a lie detector test, to prove to the public that ...

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 ...

The Department of Homeland Security is responding to reports that Secretary Kristi Noem allegedly warned employees that polygraph tests will be used to combat potential leaks from agency officials ...

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, ...

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 ...