An anonymous user who signs their posts as Q and claims to be a high-level member of the federal government makes cryptic posts on the far-right internet forum 8chan/8kun. Dedicated believers in the QAnon conspiracy theory mine those posts for clues about an alleged master plan by President Donald Trump to take down his “deep state" opponents and pedophilia rings supposedly linked to celebrities and politicians. It has been linked to multiple instances of violence and was flagged as domestic terrorism threat by the FBI.
