The MSM is trying to paint this guy as an insane conspiracy theorist, but we've all documented how these types come to be. They are leftists who believe their climate change, anti-capitalism, etc... ideology is the answer to all the world's problems, that all conservatives are evil, and that the Dem party is the vehicle through which change will come. When they see that the Dems, while giving lip service to them, water down their solutions, they lose faith in the D's and declare that the D's and R's are really the same. But at his very core, this guy was a leftist through and through.
Edit: If you read this nuts manifesto, it sounds a lot like the kind of junk we've read on DU everyday for the last 20+ years.
https://drive.google.com/file/d/10PsyVFQu2fp_2Owemf5iN3zXO7luuA-b/view.