Board Thread:Speculation House/@comment-14138255-20151025160919/@comment-10390252-20151028095022

Shooting rockets would draw attention; far more attention than stomping them into pulp with the heavy battle-mech in a deserted industrial sector. Once the battle reached the road, subtlety didn't matter and he then started shooting.

I don't think that he was 100% sure who he was dealing with before the arrival of the rest of RWBY and SSSN (I'm not sure he knew Blake was a trainee Huntress associated with Ruby - His previous encounter with her would have been explicable if she was a White Fang renegade acting against Adam's faction).