Who is TikTok’s masked vigilante?

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Think you’re safe being an anonymous TikTok troll or cyber bully? Think again. The Great Londini could be your worst nightmare come true. You might think you’re anonymous - but if you leave a threatening, racist or homophobic comment on someone’s video, Londini will find out who you are. If you’re a kid, he’ll contact your parents or your school. If you’re an adult, he'll really tell on you. In just a few months, the mysterious online vigilante has gained a huge following for his efforts to clean up TikTok. Londini says he’s doing the job that the platform should be. But does social media need moderation vigilantes - or are they a problem in themselves? Presenter: Sophia Smith Galer Editor: Ed Main Photo: The Great Londini Photo credit: BBC