Every town has it's bad side. The part where even Az security forces tread lightly, if at all. The problem is that you're in the snob side, and traffic lights, slow moving vehicles and even slower pedestrians aren't the worst of the gauntlet you'll have to face. And then, through Zippities lens you spot it, an innocuous circle of light sweeping the ground in a random pattern. . It's designer had made it deliberately random. After all, he didn't want the prey to be able to predict the pattern and hide. Still, the drone up ahead had the same constraint you had, it had to travel the streets too, and there's always more than one road into hell.