A post about lie, one of precepts, and reading emotions (a way to understand, and knowing them, better communication with people possibly)
This method is from Paul Ekman, 40 years of research, teaching at the FBI, CIA, MI 5, etc.
What if indeed we can catch a liar? What connexion do you see between that and Buddhism?
He is also "working" with the Dalai Lama, sharing there knowledge about emotions.