The street looked clear but it actually wasn't.
Michael found out the moment they stepped out from the clothing store doorway, and he pushed the pulse to its full extension and felt the shape of the third block properly for the first time from ground level.
From behind the delivery van two blocks back, the signatures had looked manageable because they were looking like a scatter of movement he could map and route around.
Down here on the street, with buildings on both sides and the hospital visible at the far end, it felt completely different.
The two on the rooftop were still there. He could feel them on the pulse, directly above and slightly ahead, moving in a slow back-and-forth that said they hadn't detected anything yet.
Crawlers on a rooftop in daylight were a specific kind of problem because they were fast on flat surfaces, and the drop from three floors was nothing to something that didn't feel pain.
He kept that information in mind and moved.
