The Department of Homeland Security has administered lie detector tests to about 50 staffers in recent weeks, including ...

The Department of Homeland Security is using polygraph tests on staffers to snuff out internal information from leaking to ...

Those with the Dark Triad traits of narcissism, Machiavellianism, and psychopathy often use deception and manipulation to ...

The head of a federal agency was given a polygraph test after a news leak — even they're considered junk science.