Board Thread:Speculation House/@comment-24218038-20131202202153/@comment-10380701-20131206085720

Yeah, but Ruby also faught Junior's mooks in episode 1. With a scythe no less. She didn't kill anyone.

And logically speaking, Weiss is the most hesitant in killing humans, since she most likely lived a sheltered life. Faunus, maybe? But after Volume 1, the chances are significantly lower.