Uta Frith

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Dara Ó Briain's Science Club is a British science television series presented by Dara Ó Briain which first aired on BBC Two in 2012. Each week, the team take one subject and explore all possible angles, combining it with studio discussions in front of a live audience, films and on the spot reports.

It is estimated that about 1 in 100 people are psychopaths, but although many violent offenders fall into this category it does not mean all psychopaths will be violent. Nor does it mean all violent people are psychopaths. Is the tendency towards psychopathic behaviour something that people are born with, or is it something caused by our upbringing? Find out about the indicative behaviours doctors look out for when making a diagnosis of psychopathy.