RAFFERTY HAD EXPECTED Sarah Astell to go to pieces during questioning. Instead, to his astonishment, she had shown sufficient sense to take her husband's excellent advice to heart and said nothing until her solicitor arrived. Even then, when Rafferty pointed out that the alibi she and her husband had concocted for her hadn't stood up to deeper investigation, she had merely asked, 'What alibi? I don't know what you're talking about,' refused to discuss it any further, and again insisted she was innocent. Exasperated by her continuing denials, Rafferty took the DVD out of his pocket, put it in the machine, and pressed the 'play' button. 'We know you went to Moon's office,' he told her. 'We know what happened there.' As the naked images began playing on the screen, she uttered a horrified c

