"Shit out of luck, if that roof were a foot taller," he said. "We’d no idea." He was bending over the dolly, unhooking the bungees now. He carried the long case to the workbench and carefully put it down, beside the canvas bag. He returned to the dolly, which lay on the floor now, the black case on top of it. He knelt and took something iPod-sized and yellow from his jacket pocket. He held it near the case, pressed something, then brought it closer, reading a screen.