Originally Posted by Martian

Quite right.

I don't know how it works in the UK, but over here he'd go to federal prison. Once there, he would have to be under constant surveillance; while in the showers, in the yard, in the gym, in the library, in the cafeteria. All it takes is one opportunity for another prisoner to jam a shiv in his throat and it's goodnight, nurse. And given that just about every prisoner in the institution will want to do it and the guards probably won't be watching too closely...

I'd keep an eye out for the obit. Guys like this always get what's coming to them.