So Clarke was in her Vauxhall Astra, on her way to the Royal Infirmary. The hospital sat on the southern edge of the city, plenty of space in the car park at this hour. She showed her ID at the Accident and Emergency desk and was shown where to go. She passed cubicle after cubicle, and if the curtains were closed, she popped her head around each. An old woman, her skin almost translucent, gave a beaming smile from her trolley. There were hopeful looks from others, too - patients and family members. A drunk youth, blood still dripping from his head, was being calmed by a couple of male nurses. A middle-aged woman was retching into a cardboard bowl. A teenage girl moaned softly and regularly, knees drawn up to her chest