Paul Ekman has become the world’s most renowned professionals on facial expression. His research is specific and nicely-investigated. He has a section referred to as “Clues to Deceit” in his book which speaks extremely specifically about facial expressions & how they are often used to detect when persons are lying. https://howtoreadbodylanguagebook02320.tokka-blog.com/40107398/details-fiction-and-how-to-read-body-language-video