Although I tend to agree with your sentiment, I’d rather him survive and for us to find out his true motivations given the one survivor indicated a racial component to this.
Well, whoever he IS, he can’t be mentally healthy.
As a taxpayer, I think he isn’t worth supporting and studying for the rest of his natural days.
Some shrink will hit the jackpot working for the state to understand this creep.
What am I saying? It will likely be a whole team of shrinks.