Some senior officials who have taken the test have been asked whether they said anything negative about the F.B.I. director, Kash Patel. By Adam Goldman Reporting from Washington Typically, the F.B.I.

On Feb. 28, two days after Kathy Carpenter called 911 to report finding the body of her murdered friend, Nancy Pfister, she underwent a polygraph test in the Pitkin County Courthouse as investigators ...

The Pentagon plans to impose strict nondisclosure agreements and random polygraph testing for scores of people in its headquarters, including many top officials, the Washington Post reported on ...