Farther. He could use the military or any branch of government to kill them and still get immunity. We now have a long, don’t get me wrong we always had some assumption that that’s how it went but seeing it on paper is an eye opener.
Hell, he could sign literally every US asset over to anyone he pleases and there’s nothing we could do via a legal means. It’s not supposed to work that way but if no law constrains the office then the office is simply free to do literally whatever they want.