The Truth Behind the Liar

How good are you at detecting lies? Lying is pervasive in everyday life, and researchers are learning fascinating things about how and why humans practice deception, and why lies can be hard to detect. How good are lie detectors? What can Prof Paul Ekman tell us about detecting lying in facial and body language? We learn about the scientific detection of lying, the psychological reasons why people lie, and why some people are afraid to lie.