Try and find their leader without interfering with the goons

You pull away from that window and find another door that is marked a private and for management only. Its locked, but with your inhuman strength, a slight nudge and the lock breaks.

Peering through the door you can see through a large window in the office beyond, a large vault door being opened by two of the wolf masked thugs, while someone dressed in all black and dark grey rubber, stands with his hands folded behind a cloak on his back. He has a rubber cowl molded to his head also but you can't see his face from behind.

What do you do?

 * Charge straight at him through the glass window
 * Approach him carefully and slowly