Although Joe can do the pardon thing, I think Hunter is carrying a lot of emotional baggage. Beau was the “good son” favored by Papa, where Hunter was the “Bagman”. With the right deal, Hunter might pull the whole rotten thing down to save himself, and get revenge at the same time.
get revenge
/\.
That was my first thought with him abandoning his laptop.
And then he found out d.c. is even more evil than he knew.