Polygraph tests can supposedly detect when a person is lying. But how can a machine do that, and can we really trust the ...

In February of 1994, the FBI arrested Aldrich Ames, who had been a CIA employee for 31 years. Ames was arrested and charged with espionage. He was a Russian spy. For nine years, he had been passing ...

Pune: The investigation into the murder of businessman Ketan Agarwal has entered a crucial phase, with police seeking to conduct a polygraph test, commonly known as a lie detector test, on the prime ...

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 ...