Your prejudice against Gateway Pundit is ludicrous. If Gateway Pundit published the text of the Declaration of Independence, you would claim that only dirtbags wrote it and only fools think it’s valid.
The Miller story was published yesterday and today in a number of places. I picked the GP article over the United American Patriots article and the two Facebook articles and various others, because it was short and sweet. But the contents line up with much more in-depth articles elsewhere.
I challenge you to read the following case history from the University of Chicago Law School that is clearly favorable to Sgt Miller:
https://www.law.uchicago.edu/clinics/mandel/mental/combat/miller
The U of Chicago law school is renowned. They really stand behind him.