What would you say is the best method of detecting lies? A truth serum? A polygraph machine? A body language expert? The truth about lie detectors is…they probably don’t work. So why do they show in popular culture on reality tv shows and, most disturbingly, in criminal investigations? And what are the ramifications of putting our faith in these dodgy devices and half baked theories?

On this episode of Scamapalooza, Dr Celine Van Golde of the Not Guilty project helps uncover the truth about lies.