"Affluenza". I had to look that up.
https://en.wikipedia.org/wiki/Affluenza
As a defense I don't buy it. Most people with trust funds are decent human beings.
But this guy is something else again. He reminds me of the criminal character in the more recent "Shaft" movie. (Christian Bale as Walter Wade, Jr.)
The only positive thing I could say is that he's young and at some point he may feel truly regretful for what he has done.