"It is," she agreed gently. "If you're killing people, you're not the good guys. Rule of thumb. The rest is just excuses. You don't get to say you're at least better than those other people. Because you're not the good guys any more. Maybe they thought they were, once, and they lost sight of what it meant. That's a scary thought, isn't it?"

She hesitated before adding, "That's ... what worried me. When I ... with your boss, and all."

Pulling a gun on someone, just because you really thought they should be dead now. Really not a good sign.