Polygraph tests often aren't admissible in court because they can't actually detect lies, but instead physical indications that often accompany them. Your intentions aside, it's good to know how to ...

Not all security clearance applications require a polygraph, but when they are necessary, it helps to know what you're getting into. According to William Henderson, a retired federal clearance ...

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 ...

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The federal government is reviewing its use of so-called lie detector tests in security screenings as a new report called out the controversial practice. The National Security and Intelligence Review ...

From schlocky daytime TV (Did you cheat on your girlfriend?) to police interrogations (Did you shoot him?), the old-fashioned polygraph is still considered a reliable way to get to the truth by many ...