Nathan found the note that had been put on his desk the moment he walked into his office. It had been written in large print on a sheet of A4 paper and placed on top of the files in the centre of his desk to make sure he couldn’t miss it. He scanned it quickly and then called out, “Christian, what’s this all about?” he asked when the author of the note appeared in the doorway of the office in response to the summons. “I’m not sure, sir,” the young detective constable admitted. “It was hard to be sure what was being said, the girl was practically babbling, and she seemed out of breath, then the call was cut off. I tried ringing the number back but there was no answer, and the answerphone message didn’t help.” “What time did the message come in?” Nathan asked. Grey checked his watch. “I

