Karl Sander’s disputed polygraph test has been declared invalid after serious examiner errors emerged at the Madlanga ...

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 ...

WASHINGTON – The federal government should not rely on polygraph examinations for screening prospective or current employees to identify spies or other national-security risks because the test results ...

Although polygraphs (“lie-detector” tests) are considered too unreliable to be admissible in federal and most state courts, physicians are often being forced to submit to them in physician health ...

Alex Murdaugh failed a polygraph test administered as part of the plea agreement for the disgraced former attorney's raft of financial crimes, violating the deal, which required his truthfulness, ...