The Federal Bureau of Investigation (FBI) has found itself embroiled in a rather odd situation involving polygraph tests. In April, it confirmed to NPR that it was using these tests to catch personnel ...

The term “lie-detector” suggests that a polygraph machine can detect lies. However, this device, which is commonly used in criminal investigations, actually measures nervous excitement. It operates on ...

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

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 ...

The polygraph, known more commonly as the “lie detector,” has a long and controversial history as a forensic tool, but it has also been used in a variety of other contexts, including employment ...

An examiner keeps an eye on how various measures change in response to particular topics or questions. Credit: DENker/Wikimedia Commons Attorneys for Christine Blasey Ford, the woman who's accused ...

The FBI is using lie detectors to test employee loyalty to Trump’s appointees - The FBI has reportedly questioned agents on ...