That's one person. While it's very important, it doesn't at all mean the courts don't exit.
> order from the Supreme Court to return him.
The Supreme Court did not order that.
Edit: If you object to these things, realize you are helping the Trump administration by spreading exaggerated fears about what's happening. They want people to believe they are super-powerful, unstoppable, inevitable; it intimidates people into inaction. Also, without accurate information, people can't make good decisions and act - you are helping a propaganda campaign (unwittingly). And finally, spreading fear is not what good, responsible leaders - or teammates - do.
