Actually he's a great guy who got stuck in a shitty environment.
When he was 15 his dad murdered his mom then killed himself.
When he was 16 his guardian went to jail and he moved in with his brother.
When he was 17 he took the vandalism charge for his brother (so another guardian wouldn't go away) , being 17 he thought he would fall under youthful offender, but the judge tried him as an adult do to his past record and the crime he was tried for (that his brother did).
He didn't even try to start anything the night of the DUI, he got sucker punched then went ballistic on the kid, BAD. it should have been stopped but the first time he got pulled off the kid sucker punched him again. So everyone let it go to long. He ended up panicking when he stood up due to all of the blood. he took off then got caught.
IMO the system failed again, failed to keep his dad in jail in the first place, failed to let him live with his brother, and failed to charge him as an adult.