Research is identifying alternative methods to the polygraph, but some doubt whether true lie detection is possible.

The polygraph is not a lie detector but rather an instrument that measures a person’s physiological changes to questions posed by the examiner. An elevated physiological response to a particular ...

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 ...

You might be aware that Polygraphs are used to detect if someone’s lying, the technology was invented in 1921 and has been the standard for deception detection ever since. However, Xiaomi’s new patent ...