RAFFERTY BEGAN HIS covert investigation the following morning. First, he wanted to question Ian Sutherland’s mother and sister. He was interested to hear their views about Ian’s guilt or innocence, even if he had to suffer their inevitable accusations. He primed Llewellyn with a story about him going to speak to one of his snouts should Superintendent Bradley question him concerning his whereabouts. Susie and Mary Sutherland were both at the family home when Rafferty called round. Susie had been working on her laptop, which she immediately went back to after letting him in, giving him a hard stare and flouncing away. Clearly it was to be the silent treatment from Susie Sutherland. He could only hope her mother was more voluble in her son’s defence. Mary Sutherland was sitting in her usu

