Author and journalist Oliver Bullough traces Britain's vital role in the growth of 'offshore' money laundering, talking to historians, whistle blowers, former investigators, and politicians.

In this final episode, Oliver asks why the government's much-heralded Unexplained Wealth Orders have not so far managed to stop offshore money laundering - and explores what might work instead.

Series contributors include: Graham Barrow, Roman Borisovich, Bill Browder, Liam Byrne, John Christensen, Damian Hinds, David Lewis, Vanessa Ogle, John Penrose, Catherine Schenk, Helena Wood

Producer: Phil Tinline Show less