Mark Daly investigates how much the IAAF president knew about corruption in athletics.
Panorama looks at gene editing, which could change the lives of everything on the planet.
David Dimbleby hosts a debate on whether the UK should vote to remain in the Common Market
Documentary following a man and his family as they come to terms with his Alzheimer's.
Tom Heap investigates the growing resistance to commonly prescribed antibiotics.
Panorama reporter Sam Poling investigates the ruthless world of the dog trade.
John Humphrys investigates whether the UK steel industry has a future.
Peter Marshall asks what lessons can be drawn from the story of teenager Sara Green.
Reporter Richard Bilton exposes those who have been hiding their money offshore.
Reporter Datshiane Navanayagam investigates fuel poverty.