He couldn't talk in his current form, but he could sure make a sort of happy purring sound that was adorable.  A yip and tail wagging made it clear though that perhaps he just wanted to be with her, regardless of the activities.  As for finding street gangs or the like with weapons for sale... the Triads had a presence in Mong Kok amidst the massive numbers of street vendors wielding everything from knockoffs to illegal goods, though she'd probably have to work to find it.  Kai Tak - an old Airport - was in far poorer condition but had a far larger blackmarket practice, and was more likely to have more exotic items as well, even if it was a larger drive.