She saw matched sets of vehicles, dark blue sedans with vans, moving rapidly along the streets that bracketed Mott Street If she read their movements correctly, all those vehicles would arrive at opposite ends of Mott Street at almost the same instant. She broadcast her alert signal. Even as her squeal hit the air, two dark-clad figures appeared on the roofs of buildings facing the runners' Mott Street hideyhole. Those figures moved toward the front of the roofs as if to take up sniping positions. Focusing her lenses and zooming in, Bobbie Jo saw that one of the figures wore a dark uniform with shoulder flash that included the likeness of a black ape.