When President Ronald Reagan’s White House threatened thousands of government officials with polygraph exams, supposedly to protect classified data (but probably also to control press leaks), his ...

The Department of Homeland Security (DHS) is disputing reports that acting Cybersecurity and Infrastructure Security Agency (CISA) Director Madhu Gottumukkala failed a polygraph after seeking access ...

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 ...

Kristi Noem’s acting security agency head reportedly failed a lie-detector test required to view sensitive spy materials—then blamed his subordinates and suspended them. Madhu Gottumukkala, the acting ...

When Army engineer David Tenenbaum lost his security clearance after a polygraph, he accused the Defense Department polygrapher, along with others, of targeting him because he's an Orthodox Jew. MCT ...

Intelligence officials are pushing to classify as secret certain information about lie detectors that they believe U.S. adversaries might use to harm national security, even though much of it has been ...

A version of this story appeared in CNN’s What Matters newsletter. To get it in your inbox, sign up for free here. When President Ronald Reagan’s White House threatened thousands of government ...

FBI employees who failed polygraph tests to determine truthfulness still accessed classified information, making the bureau vulnerable to security breaches, Department of Justice Inspector General ...

Liberman seeks polygraph tests to root out Prisoner X leaker Yisrael Beytenu head believes subcommittee member divulged classified material surrounding suicide of Mossad agent Ben Zygier By ToI Staff ...

WASHINGTON (Reuters) - The top U.S. intelligence official on Monday ordered that a new question be added to federal employee lie-detector tests to help uncover any leaks of secret information to the ...