Have you heard that Bill Gates is running a secret genocidal plot? That the war in Ukraine isn't real? Or that people are paid to act out some of the worst attacks imaginable? In 'Among the Trolls', BBC reporter Marianna Spring meets the most committed conspiracy theorists - and their victims. Far from a few lone wolves, she uncovers a staggering network of true believers, trolls and conspiracy influencers engaged in an international information war. She takes on the social media companies and their algorithms, exposing the harm they can cause from witnessing it up close.