You can bet Watchtower legal is not happy with this situation.
Absolutely - and the great local JW public relations sunshine pump has Watchtower Legal's fingerprints all over it.
I agree that the police will try to investigate all possible connections - but I still doubt that the elder's involvement will make it to the trial, or that the elders or the society will ever face any liability over this other than the remote possibility of a civil case.
I do not think that this was a death penalty state - but he will almost surely get life, likely without parole.