Well, Connor would start with what he thinks is the most obvious question: what drove them to be pushed underground? He has his own thoughts about this, but would want to hear it directly from the BGs.

He would also ask how (or if) they are self-sustaining, despite being cut off from the rest of the city above.

And finally, if the BGs have any idea if the resources available to the Circle members above ground can help them figure out how to stop The Storm?? Because y i k e s.