Why do some people lie? It is sad to say, but some people, lie all the time. Their lies range from little white lies to some embarrassing lies.
The question is why would someone have a need and craving to tell a lie? There are many possible reasons that motivate people into telling lies.
Psychologists call people who lie all the time compulsive or psychopathic liars. They are everywhere. Dan Ariely, is an professor of psychology and behavioral economics at Duke University.
In this documentary, the professor tries to show the dishonesty of people, and explain the reasons why do some people lie all the time.