It seems extremely likely that most juries would probably convict an ISIS traitor on testimony alone. Actually it seems pretty likely that they would convict a ham sandwich if you put a little ISIS flag on it.

Our constitution was written for times of war and peace. When he stopped being an enemy outside our lines with a gun and started rotting in a prison cell it became a criminal issue.

I'm not concerned with his well being. I'm concerned about setting a precedent that allows people to be detained without proof applying to innocent people.