Life in prison without parole. He'll never set foot outside of prison again for the rest of his life.
I wonder if this will deter others, or do most people think they will never be caught, like he did
Plenty of morons serving life thought they could outwit the system.
He was an object lesson in how not to do it - staying in the US, revealing his email address in the early days, keeping journals, running a centralised site.
It's impossible to be sure that you're uncatchable, but there's plenty there for others to learn from and do better.