What Are The Ways The Cop Could Have Prevented The Stabbing?

[AProudLefty]

you might have been able to tackle the attacker AFTER she had already stabbed her victim at least once, probably twice.........which would be all the damage needed for her to succumb to those injuries and die........but you can feel better about yourself for not killing another teenager after she murdered another one

I always find it strange that people would assume I would tackle the attacker.

Of course it isn't a wrestling match. Never said it's plausible.