delvin: this investigation has been going on for almost five years.ways had as a jumping off point what money hunter biden was earning from foreign sources, and whether he was declaring all of that money on his taxes. as a separate issue, was there anything inappropriate or illegal about the sources of that income? the tax issue, investigators felt like they could make some kind of case there, although hunter biden's lawyers say it is a very weak case. the corruption type of allegations that republicans have lodged have not had much to work with in terms of making those accusations, but they do make them, and that is sort of the fulcrum of all this political drama on the hill about possible impeachment. amna: we got about 30 seconds left, but these are specific gun charges. could there be more charges, like around the tax issue, raised ahead? delvin: i think it is possible we will see a tax indictment against hunter biden in the near future. that would be in delaware, where the gun charges are. that would probably be in a different jurisdiction, becau