THE NEXT MORNING, HE felt unaccountably optimistic. He entered the office bright, breezy, and full of good will to all men. He didn't even come down with a bump when Llewellyn told him the latest CCTV viewings had yielded nothing. Llewellyn said, ‘Jonathon Lilley has found out something interesting, though.’ Rafferty swung his chair back from his contemplation of the weather. ‘Oh yes?’ Llewellyn nodded. ‘Apparently Mrs Sutherland and Mr Derek Fowler were close some years ago. Before they were both married. Quite a serious relationship. Almost came to an engagement, but then they broke up.’ ‘You’re thinking of the possibility of collusion, I take it?’ Llewellyn nodded again. ‘Though, in fairness, I have to add, that there’s not a whisper of anything between then recently.’ ‘Even so, i

