‘HOW SAD’ HAD BEEN MRS Toombes’s response when Rafferty had queried whether the man who had rung her intercom could have actually said, ‘Hi Gran, it’s me’, rather than the 'I ran, Esme,' that Mrs Toombes had previously insisted she had heard. Naturally, she now assumed that one of Clara Mortimer’s grandsons had killed her. She was right, of course, but not in the way she had thought. For Rafferty believed Charles Ogilvie hadn't deliberately targeted his own grandmother. He believed the claim of his mother and sister that Ogilvie didn't even know his grandmother's new address. When Rafferty had questioned Clara Mortimer's elder grandson about his whereabouts at the time of her murder, Charles Ogilvie had seemed nervous, evasive; Rafferty had thought at the time that the young man had bee

