Karl Sander’s disputed polygraph test has been declared invalid after serious examiner errors emerged at the Madlanga Commission, raising questions about how lie detector tests work.

Bengaluru: City police, probing the alleged murder of six-year-old P Vennela, are contemplating a polygraph test on the ...

Brittany Broski puts her honesty to the ultimate test in this episode of Lie Detector Test. Hooked up to a polygraph, ...

Even if polygraph tests are not accurate, the threat of a test can serve as a deterrent or as an interrogation tool to elicit admissions. Leonard Saxe is a professor of Contemporary Jewish Studies and ...

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 ...

Nearly half of new US Customs and Border Protection recruits are failing mandatory polygraph tests, causing a crisis in the agency which is struggling to replace thousands of agents who are scheduled ...

About two weeks ago, I received word that a close friend of mine from elementary school (I'll be altering a few details to protect this friend's identity) - let's call her Ellen - failed a required ...