Kathleen Arkinson, Arlene’s sister, talking about the bewildering decision of the RUC to break down her door rather than arresting the obvious suspect, said that if Howard got away with it, someone else would die. She was right about that. In April 2001, in Dartford, Kent, another girl went missing. Hannah Williams was fourteen, a working-class girl who had run away before, and it would be almost a year before she was found dead.