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 ...

Science says you might as well flip a coin.

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 polygraph, known more commonly as the “lie detector,” has a long and controversial history as a forensic tool, but it has also been used in a variety of other contexts, including employment ...

I am a former associate director in a state physician health program (PHP). I also hold faculty appointments at Baylor College of Medicine and Harvard Medical School in medical ethics and psychiatry.

The polygraph is not a lie detector but rather an instrument that measures a person’s physiological changes to questions posed by the examiner. An elevated physiological response to a particular ...