I think he is toast. Tax evasion. The IRS code is impossible to comply with so we nearly all qualify as unconvicted felons. That is the beauty of the code. It gives government unlimited powers through confusion.
If his guns are legal and the charges are unrelated he *should* get his firearms back but it’s going to take a lot of legal hassle and $. Also depends what state this was in, I don’t recall.
The same IRS that will enforce Obama care - me thinks it is the gestapo for Obama’s new world order.