Dr Paul Ekman has been dubbed the Human Lie Detector. By observing facial expressions – the twitch of a muscle, a catch in your voice – he can tell if you are telling the truth. He’s so good, a TV series, Lie To Me, has been based on him and his research.
60 Minutes reporter Sarah Hall went to see him in San Francisco, armed with DVD footage of some of New Zealand’s most contentious criminal suspects. What does he think about Peter Ellis, David Bain, Clayton Weatherston and Mark Lundy? Who is telling the truth and who is lying?