She knew enough to be frightened. She also knew she did not have the authority to destroy this thing. Authority, she had learned, often looked like patience and a good memory. So she copied the files onto a private drive and stepped outside with it under her arm. The city at three in the morning had the dispassionate clarity of a photograph: streetlights made small moons on puddles, a tram's last call drained into distance, and the archive buildings stood like gray teeth against the sky.