8chan founder Fredrick Brennan explains that coronavirus re-energized online conspiracy groups like QAnon

Watch: "They see the end of the world coming, and they've been predicting it for years"

What happens to internet conspiracies in the post-Trump era? 8chan founder Fredrick Brennan explains the dangers of a power vacuum with QAnon true believers, why the movement is vulnerable to extremists, and how scammers cashed in on the conspiracy.