There are about 600 murders each year in the UK. So, what drives people to kill? Are some people born to kill or are they driven to it by circumstances? Michael Mosley delves into the BBC archives to chart scientists' progress as they probed the mind of the murderer to try to understand why people kill, and to find out whether by understanding murder we can prevent it.

A green lawn like an unused carpet, encircled by a neat forest edge, in the background the steaming cooling towers of a coal power station – impressionistic camera images from Lusatia. They summarise in one pan how a used-up utilitarian landscape is trying to recultivate itself. Can ancient identity and language be re-discovered amid this strange artificiality? The director travelled through this region in search of her origins. She was born here, in Lusatia. This is her home and that of the smallest of all Slavic peoples: the Sorbs.

Bastien is twenty years old and has been an activist for five years in the main extreme right party. When the presidential campaign begins, he's invited by his superior to commit even further. Initiated into the art of decking himself out like a politician, he starts to dream of a career, but old demons surge forth...

The true-life story of a Harlem's notorious Nicky Barnes, a junkie turned multimillionaire drug-lord. Follow his life story from his rough childhood to the last days of his life.

Jan Smuts is a foremost political figure in South African 20th Century History, and is recognised today by two of the world's leading historians as being at the very centre of the vision for a new world order that emerges from the League of Nations and the United Nations.. Yet, he is virtually persona non grata in his own country.... and largely ignored in school history books. This one hour drama-documentary, with its dramatised cameo scenes in which his look-alike grandson takes on the role of Jan Smuts, battle re-enactments, historical archival footage, comments from historians, political analysts, and South African political struggle heroes, looks back on his life and the circumstances that shaped it in search of some answers.

This moving documentary tells the story of Daan, a cheerful and talented boy who left life at the age of sixteen after a school career in which he was systematically excluded. Former classmates organize a reunion to investigate how things got to this point. They discover that many other students also felt unsafe in the classroom. Meanwhile, Daan's sister Julia, who, like Daan, loves theater, is working on her self-confidence. And Daan's group of friends, where he could finally be himself, looks back on the time they spent with him.

Italy’s biggest political party, the Five Star Movement, promotes direct democracy through internet voting. Five Star Movement uses a digital platform named Rousseau, that allows Movement’s members to vote online and express their opinion on various issues. But who governs this data?

No profession, no say, no freedom of expression. Life as a prince consort is not exactly pleasure taxing. No constitution ascribes any function to the husband of a queen. Nowhere does it say what he must or must not do. A life in the shadow of the crown. Can that go well?

A documentary about the hearings of President Nixon's Commission on Obscenity, featuring adult-film producer David F. Friedman (one of the producers of this film) testifying before Congress, and involved in the production of one of his films, "Trader Hornee."

David Olusoga opens secret government files to show how the Windrush scandal and the ‘hostile environment’ for black British immigrants has been 70 years in the making.

Inspired by a book by acclaimed historian Simon Schama, Murder at Harvard uses a combination of film-noir drama and present-day documentary footage to tell the true tale of one of the most notorious American crimes of the 19th century. Grappling with frustrating gaps in the historical record, Schama assumes the role of a time-travelling detective who takes an unusual step for an historian and imagines how certain scenes and encounters might have played out. "Maybe I thought what I was after was not a literal documentary truth," Schama tells us, "but a poetic truth — an imaginative truth — and for that I was going to have to become my own Resurrection man. I was going to have to make these characters live again."

Undercover journalist James O'Keefe goes to the front lines of the migrant industrial complex using hidden cameras and raw testimonials. O'Keefe reveals the shocking reality of the U.S. border crisis like never before: Mexican freight trains, cartel tunnels, and U.S. funded child detention camps. Watch this gripping exposé of a corrupted system that demands change.