What happened to the people who fell down the rabbit hole into a world of conspiracy theories? How far have they fallen – and how far will they go? In this 10-part series, the BBC’s Disinformation and Social Media Correspondent Marianna Spring investigates the legacy left by the rise in conspiracy movements in the UK and the media machine at its heart. She exposes how radical they have become and how action is spilling offline. At the extreme end, we’ve seen conspiracy-theory driven riots at the US Capitol and a coup-attempt foiled in Germany. But what’s happening in the UK?