No doubt. Necessary force to protect people ... you could get away with a lot using that as an excuse. Or a real reason, he supposed. Still, he had his experience, bitter as it was. If you were saving someone's life - potentially hundreds of people's lives - then a couple dead men were almost invisible. Whether they were criminals intent on murder or soldiers in the wrong place ...
"Everybody's got the potential to be dangerous." William stopped in the hall and listened, looking at a door with slight suspicion. "All they need's a reason or a weapon. Doesn't take much to set off some people, especially if they don't control it, like you said."