“Come in, gentlemen, and take a seat,” Mackay invited. He waited until everybody was seated and the constables had left. “I have taken this unusual step of bringing you all here because I wish to reorder the current arrangements.” In the ensuing silence, Watters heard the rumble of traffic outside the office and Christie’s laboured breathing. Christie looked even more ill-at-ease in such surroundings than Watters felt, while Murdoch chewed at the stem of his pipe and winked at Watters, totally unconcerned at being in the presence of the great and the good. “Gentlemen,” Mackay continued. “You are all aware of the current situation in Dundee. We have had a murder in the police cells, which Sergeant Watters is attempting to solve, a professional cracksman targeting high-status addresses and