I stood at the junction for a few seconds, listening for footsteps. I heard nothing. The corridor had two fire doors, three lifts, and enough offices for both men to disappear without trying very hard. Chasing one would mean choosing which part of the conversation mattered more. Does she know? Or: She still believes the wrong story. Ryan's call interrupted my thoughts. I answered while walking back towards the entrance. "Hi." "You sound out of breath," he said. "I was walking quickly." "That usually means you were either late or annoyed." "Neither of them." "Should I be worried that you had to think about it?" His voice sounded normal. Warm and slightly tired. There was traffic behind him and someone speaking through a car radio. "Where are you?" I asked. "Outside Birmingha

