Peter Geoghegan is standing on a train station platform when he sees it - a large advert in a free-sheet newspaper that will set him off on an investigation into the dark world of campaign spending. In this episode we hear how he worked to unravel the secrets behind the Brexit campaigning by Northern Ireland’s Democratic Unionist Party - as he attempts to follow their funding to the source. Read all about it: Peter’s book Democracy For Sale: Dark Money and Dirty Politics is out now https://www.hive.co.uk/Product/Peter-Geoghegan/Democracy-for-Sale--Dark-Money-and-Dirty-Politics/24069555  Hosted and produced: Maeve McClenaghan Theme music: Dice Muse    See acast.com/privacy for privacy and opt-out information.