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 ...

At the same time, the directive emphasizes the need for tests to include questions about whether employees or potential applicants have leaked information to members of the press as part of the ...

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 ...

Federal prosecutors are appealing the potential release of a Prince George’s County consultant whom they accused of providing ...

The Pentagon plans to impose strict nondisclosure agreements and random polygraph testing for scores of people in its headquarters, including many top officials, according to two people familiar with ...

(CNN) — 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 ...

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 ...

DNI Tulsi Gabbard issued a directive to review polygraph policies and curb press leaks, echoing actions taken by the Bush and Obama administrations.