Research is identifying alternative methods to the polygraph, but some doubt whether true lie detection is possible.

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 ...

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 ...

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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Defense Secretary Pete Hegseth demanded proof that Adm. Christopher Grady, the then-acting Chairman of the Joint Chiefs of Staff, ...