Neith darts between crucial moments in the decision chain that culminated in Hunter’s death. She begins to see how it must have happened. She watches technicians flag, then set up little nests of jackets and shoes on the floor, then go off-shift and be replaced. The timers on various screens go from contented green to warning yellow to klaxon red, then into a mid-range blue that signifies a sort of conceptual bewilderment. This is the colour no one ever thought would be displayed when the software was written, and it has no established semiotic message at all. The Inspector fancies that someone, back down the line, chose blue to signify "we’re all completely at sea now."