Dean frowns into his sandwich, thinking about it.

"Well. If that were the case. I'd say let 'em have at it, that they'd deserve what they get. But not asshole bosses," he says after a moment, "They can't just go around killin' like that. Not now. We have to stop them."

And that's that. That's all Dean Winchester needs to know that whatever it takes, they will stop them from killing more people. As usual.