[xoxoxoBruce]

I can see recording the phones passing by with these IMSI 'check points' for lack of a better description. With the ISMIs hooked together, individual phones could be tracked, even in real time if they were watching a particular phone/person. But to listen to snatches of phone conversations hoping to catch something juicy seems a waste to me.

Well Senator, we've logged eleventy seven gigs of grocery lists, half that much of spousal excuses/apologies, and several gigs of heavy breathing.