Defense Secretary Pete Hegseth demanded proof that Adm. Christopher Grady, the then-acting Chairman of the Joint Chiefs of Staff, hadn’t leaked news of a March 21 classified briefing for Elon Musk on ...

The prosecution of James Comey is shedding more light on the FBI's efforts to target Trump - and potential efforts to hide ...

National security agencies across the Trump administration are ramping up investigations into alleged leaks to the news media, in some cases using polygraph tests that current and former officials say ...

The Department of Homeland Security has administered lie detector tests to about 50 staffers in recent weeks, including FEMA’s acting administrator and roughly a dozen officials at the disaster relief ...

The director of the CIA has issued widespread polygraph tests of CIA operatives, in an attempt to stop further leaks of classified information. Last week intelligence officer Mary McCarthy was fired ...

HONOLULU (AP) — A former CIA officer and contract linguist for the FBI who received cash, golf clubs and other expensive gifts in exchange for spying for China faces a decade in prison if a U.S. judge ...