Prob with being sent to a psych ward is the fact of being released years earlier than if he were sentanced to a regular jail term. Let him go to jail. They tend to be self regulating there.
Sorry Ms. Pinnochio, but I'm with Levonian on this one, with the exception though, that house arrest at Neverland would remove a lot of the cost on taxpayer money, but is waaay too cushy for punishment.