The day he found out his daughter was dead, Joe Hope was at Cooper's flat watching horse racing on Channel 4. Joe's filly was a couple of lengths off the pace with less than two furlongs to go. He yawned and cupped his hand over his mouth. They'd been working late. It was early afternoon, Joe had had hardly any sleep and by now the adrenaline of the previous night had all but drained away. He was hot and tired and thinking about saying goodbye and going home.