RAFFERTY GRABBED HIS jacket, took the stairs two at a time, and flung himself into the driving seat. He roared out of the police station car park and made for the university. Llewellyn had hurriedly strapped himself in. But for once, he didn’t issue reproaches about Rafferty’s driving. There was an air of contained excitement about him, that had him leaning forward as though to urge Rafferty on. Rafferty glanced across. ‘So how did you find out?’ ‘You could say I applied a bit of psychology.’ ‘Psychology?’ Rafferty pulled a face. The mere word psychology coming from Llewellyn’s mouth, was a dirty word as far as he was concerned. ‘Yes. I was at a university function with Maureen last night, and afterwards we went into the bar.’ Rafferty wondered why, as Llewellyn didn’t drink, and Maur

