Paul Ekman is amongst the world’s most renowned authorities on facial expression. His research is exact and well-investigated. He has a section referred to as “Clues to Deceit” in his book which speaks extremely specially about facial expressions & how they may be utilized to discover when people are lying. https://cesarpojey.boyblogguide.com/38015455/facts-about-how-to-read-body-language-book-revealed