And I suppose their loved ones should then kill you, to save society from another killer...
And I suppose your loved ones should then kill their loved ones...
And so it goes..
And I suppose your loved ones should then kill their loved ones...
And so it goes..
Your world is a perfectly coherent world. Under those circumstances, I accept those outcomes.
I would prefer sequestration for murderers, but if it's not available, killing the first unjustified murderer is fine, and if that's not available I accept the convex hull.