The Department of Homeland Security has begun performing polygraph tests on employees to determine who might be leaking information to the media about immigration operations, according to four sources ...

MOBILE, Ala. -- Mobile County Commissioner Stephen Nodine told a polygraph analyst that he volunteered to take a drug test on the day that marijuana was found in his truck, but Sheriff Sam Cochran ...

WASHINGTON—In a small interrogation room in Virginia with a one-way mirror, employees from across the Department of Homeland Security are being summoned and hooked up to a polygraph machine. They are ...

COLUMBIA — Lawyers for Alex Murdaugh said an FBI agent conducting a polygraph test that the agency said the convicted killer flunked asked odd questions and confided he had just examined the notorious ...

Since Kash Patel took over as FBI director, the domestic intelligence and security service has ramped up its use of polygraph tests, not just for matters of national security, but also to identify ...