[usurper]

Unfortunately, the Feds can’t charge him with murder, since double jeopardy would attach via the 14th Amendment’s incorporation clause, IMO.

Yes but they can charge him with 8 USC 1326, Unlawful reentry after deportation. Its a slam dunk charge because they is no real defense.

There are automatic enhancements tagged on to the sentence based on past immigration violations and criminal history.

Given his past I would guess he would get 4 to 6 years to run consecutively along with his federal weapons charges.

[Stingray51]

This is all wrong. He can be charged with the federal offense of being a felon in possession of a firearm. The concept of double jeopardy is not applicable.