Watch Panorama Season 69 Episode 26 Online

David Cameron was paid to promote Greensill Capital’s financial products around the world. He helped convince investors their money was safe, and he tried to persuade the British government to invest billions of pounds of taxpayers’ cash. But Greensill Capital is now under investigation after it collapsed leaving investors facing billions in losses. So how much did the former prime minister know about Greensill and the investments it was selling?