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 ...

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 ...