You are right — it will get much worse after the election. They are not going to accept the outcome of the election and the riots will sharply intensify. Trump will have to make some hard decisions without delay. The violence cannot be allowed to go on.
When they lose, it’s a sure sign of fascism, so they’ll riot.
If they win, it’s a sure sign they’re winning, so they’ll riot.
If it’s such a mess that it’s impossible to tell... take a wild guess.