Paul Ekman is amongst the globe’s most renowned authorities on facial expression. His investigation is precise and nicely-researched. He has a section referred to as “Clues to Deceit” in his book which speaks very particularly about facial expressions & how they may be accustomed to determine when individuals are lying. https://how-to-read-body-language99886.digiblogbox.com/63597316/the-ultimate-guide-to-how-to-read-body-language-book