THEY HAD A LOT OF NEW facts to consider, and several new suspects. Any of them could have been at the university on the evening of Hunter-York’s murder. They knew that one of them was—Sebastian Carlton. But what about Carlton Senior? Where had he been on the evening of Hunter-York’s murder? He had asked Mrs Carlton, but her memory was so unreliable, she finally admitted she had no idea. Shocked, it occurred to Rafferty then, that this murder could even have been simply a case of mistaken identity. Hunter-York’s body was found in Babbington’s office, and there were at least two people who had reason to be furious with Babbington, and probably a lot more, the way he went about rubbing people up the wrong way. Rafferty put his head in his hands, and groaned, as he realised something else. A

