Paul Ekman has become the planet’s most renowned authorities on facial expression. His investigate is precise and very well-researched. He has a piece identified as “Clues to Deceit” in his book which speaks quite specifically about facial expressions & how they can be accustomed to detect when persons are lying. https://deantphgw.acidblog.net/70239586/details-fiction-and-how-to-read-body-language-video