Yeah, they would need to know who claims what territory, like criminal gangs. And did Maureen leave some friends behind when she left her thug gang? Because telling Jasper where they are probably means their death... or their recruitement into Red Halo. Which is worse?
Well, based on facial expressions, it sounds like there's someone he really cares about in that specific area. Someone that he doesn't want/can't bring back for whatever reason. REASONS WE SHALL SOON FIND OUT!