Except that was not the case.
Aubery could have trotted right past the truck, ignoring his antagonists commands. He had already done so before. They had no legal method to force him to stop. They did not force him to stop.
Up to the moment when he charged at McMichaels, he was in the clear.
Actually, they tried to stop him twice, it is in the police report, the 2nd time Fake Cop Junior got out of his truck and fired a shot at the jogger.