Somewhere inside there I’d find the end of the ball of string that would unravel to reveal a killer. Eventually, he let me in and directed me to the administration offices. Trevor Kerr’s secretary was already at her desk when I walked in at twenty-five past eight. Unfortunately, her boss wasn’t. I introduced myself. “Mr. Kerr’s expecting me,” I added. She’d clearly been hired for her efficiency rather than her charm. “Health and Safety Executive,” she said in the same tone of voice I’d have used for the VAT inspector. “Take a seat. Mr. Kerr will be here soon.” She returned to her word processor, attacking the keys with the ferocity of someone playing Mortal Kombat. I looked around. Neither of the two chairs looked as if it had been chosen for comfort. The only available reading material was some trade journal that I wouldn’t have picked up even on a twelve-hour flight with a Sylvester Stallone film as the in-flight movie. “Maybe I could make a start on the documents I need to see?”