They aren't claiming he committed a crime. There will be no trial in a criminal court. The immigration court is a part of the administrative branch (it's part o

They aren't claiming he committed a crime. There will be no trial in a criminal court. The immigration court is a part of the administrative branch (it's part of homeland security). Being protected by the laws doesn't much help here - the law says he is a deportable alien if he has supported a terrorist group. There is various case law on what is and is not protected under the first amendment, but there isn't just a free pass to say whatever you want. The case is quite straightforward indeed - if he did support a terrorist group (and I have no insight on what he actually did), he will be almost certainly be deported.