To convict someone of unlawful gun possession under 18 U.S.C. § 922(g), “the Government must prove both that the defendant knew he possessed a firearm and that he knew he belonged to the relevant category of persons barred from possessing a firearm.” Rehaif v. United States, 139 S. Ct. 2191, 2200 (2019). For the most commonly charged § 922(g) violation, that means proving the defendant was subjectively aware of the fact — at the moment he possessed the gun — that he had “been convicted in any court of a crime punishable by imprisonment for a term exceeding one year.” § 922(g)(1).
The mere fact of having a felony conviction is not enough. There must be proof the defendant was subjectively aware of the conviction at the moment he possessed the gun. Judge Sullivan explained this in a ruling blogged about here. See also Rehaif, 139 S. …