They don’t care how long the sentence is . . . after all, they hope to have an assisted-suicide as soon as possible.
Oh, I pretty much guarantee that he’ll be dead within a year, two at the outside.
There isn’t a convict on the inside who doesn’t know he’s a former cop, and “he’s the one who killed George”.
Even if they kept him in solitary for the entire sentence, I’m not sure even that would work.