Until the justice system is 100% irrevocably absolutely infallible the death penalty should not exist.
If one innocent person get done in by the state then that's an outrage, of course it's probably countless thousands.
And a whole life term in somewhere like ADX Florence is going to be a far worse fate than being put down.
gold words. I completely agree with you, and I will even say more that if it is possible to save one normal, among the ten guilty, then this is a big deal. There is no death penalty, unequivocally.