I was asleep when the alarm went off. Not deeply asleep, I had not been deeply asleep much since the anonymous messages began, but enough that the sound tore through the particular layer of consciousness I had managed and left me sitting upright in the dark with my heart doing something completely out of proportion to the information available. The alarm was loud and then it wasn't, cut off in the way of things that have been responded to quickly, leaving behind a silence that felt louder than the sound had. I sat in the dark and waited. Footsteps in the corridor. Multiple sets, purposeful, moving in the particular organised way of people with a task rather than people in a panic. Voices, low and professional, the security team is already in motion. I got up. I opened the bedroom doo

