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 ...

An Indiana man who taught federal job applicants and others how to beat lie-detector tests was sentenced to eight months in prison Friday in a case that raised questions about the right to teach ...

Can you actually beat a lie detector test? I put that idea to the test in a real scenario. The results didn’t go the way you’d expect. And it raises bigger questions about how these tests work.