Steve Van Aperen, also known as The Human Lie Detector, is an expert in reading body language and detecting deception and has helped police departments and intelligence agencies all over the world with countless investigations.

Now he sits down with Steve to discuss why we lie, how to know when you?re being lied to and the different reasons men and women lie. They also discuss why lying is actually an important part of everyday life and our early development. And he just might help you win your next poker tournament.

Follow Steve on Twitter @stevepolygraph and check out http://www.stevevanaperen.com for more info.