"Whereas premeditated murder can be prevented." If you can prevent it at an acceptable cost, by all means prevent it. I'm skeptical that you'll hit you'll hit

"Whereas premeditated murder can be prevented." If you can prevent it at an acceptable cost, by all means prevent it. I'm skeptical that you'll hit you'll hit 100% regardless of what you do, and the cost can easily come too high for marginal reductions.