Paul Ekman has become the environment’s most renowned professionals on facial expression. His analysis is exact and perfectly-investigated. He has a section referred to as “Clues to Deceit” in his book which speaks quite specially about facial expressions & how they can be utilized to determine when people are lying. https://how-to-read-body-language03578.theobloggers.com/46320288/how-to-read-body-language-book-fundamentals-explained