An investigation into hate, produced by Steven Spielberg and Alex Gibney. Evolutionary anthropologist Brian Hare searches for the origins of this powerful emotion.

An investigation into hate, produced by Steven Spielberg and Alex Gibney. Cognitive scientist Laurie Santos examines how tribalism shapes perceptions of other groups.

An investigation into hate, produced by Steven Spielberg and Alex Gibney. Journalist Jelani Cobb explores how dehumanising propaganda can incite and spread hate.

An investigation into hate, produced by Steven Spielberg and Alex Gibney. Extremism expert Sasha Havlicek explores ideological factors that fuel hate and violence.

An investigation into hate, produced by Steven Spielberg and Alex Gibney. International criminal lawyer Patricia Sellers examines the causes of genocide.

An investigation into hate, produced by Steven Spielberg and Alex Gibney. Neuroscientist Emile Bruneau explores the end of Apartheid and how cooperation can help combat hate.