The timing was precise. The helo slowed just as he slid to the end of the drop-rope. He hit the roof's flat, gritty surface with both feet, tumbled once and came up onto his knees, scanning the rooftop with his Ares Special Service in hand. Shank landed an instant behind him. The helo arced away so as not to attract attention, dwindling into the night and the infinitude of buildings and glaring lights sprawling across Manhattan.