"Protect the innocent," Chris said. "That's what I do." It was, at least, what he tried to do. He strived to protect those who couldn't protect themselves, Once upon a time he'd thought that meant kill every threat before it had a chance to manifest.
Funny that a bunch of teenagers changed his stance on that. He had an entirely different outlook now.
But these thins, most of the creatures in this landscape were a threat. And killing them was the only way to protect the innocent.