Say Judge Schmoe wants to check a building for a suspect who is much faster, smarter, and better armed than he.
Judge shmoe takes out his porta-hover-sphere device, and activates it. It begins to hover about.
Judge has a handheld remote, where he can look, and see what it looks like wherever the device is, and he can control the movement of the thing.
Maybe if that's too hard to code, you could just go with mini-cam's that you can plant and recover wherever you want - but unlike a security camera, you can't see it when you're in the room. That way, Judge Shmoe can just look in his monitor to check if a suspect is in a suspected location.
*Slaps Self*
Heh, sorry. Got off on a rant. Too many ideas, too few coders...:P
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"Eagles may fly, but at least weasels don't get sucked into Jet engines!"
