Federal agencies have stepped up their efforts over the past few weeks to find potential leakers, and some — like the FBI, the Department of Homeland Security and the Department of Defense — are ...

The Pentagon plans to impose strict nondisclosure agreements and random polygraph testing for scores of people in its ...

The Pentagon said it would investigate what it claims are leaks of national security information, saying that the probes could include polygraph tests for employees in the Defense Department. Defense ...

The Department of Homeland Security has started giving employees lie detector tests to find out who is leaking details about upcoming immigration raids. The polygraph tests have been taking place for ...

The results of polygraph tests administered to Casey Anthony's parents have been revealed in a new TV special that aired Thursday. George Anthony, 72, and Cindy Anthony, 65, passed the polygraph tests ...

Nearly half of new US Customs and Border Protection recruits are reportedly failing mandatory polygraph tests. AP Nearly half of new US Customs and Border Protection recruits are failing mandatory ...