Your lost dude.... you ever hear of freedom of speech or freedom of expression.
Nothing he did was illegal.
You dont understand your rights or the law.
I would have felt physically in jeopardy had I asked this guy what he was doing there (which I am allowed to do), and he reacted to me the way he did to the officer. You are not permitted to place others in reasonable fear of imminent physical harm for merely asking a question.
