Do you ever think about why people abuse authoritative roles? Why prison officers, security guards, even teachers become sadistic towards the inferior party? A controversial psychological experiment conducted in 1971, shows how people act when they are given highly powerful authoritative roles. Joining Sherine Kodsi is Dr. Svjetlana Kuzmic, a psychologist at Zephyir Hills state prison in Florida, who will give us an insight into real-life state prisons in the US.