Honestly I’d just keep doing the van thing, since it obviously worked for you.
Find another place to hole up, even if it’s in another part of the country. Maybe they find you and move you on in a few months, maybe they don’t, who cares. Just accept it as the cost of doing business.
In the meantime you get to explore a different part of the country. And in a few years you can go back to the first place again. Repeat.
He does also seem to have links to the Groypers.