14 Earlier that morning, 10.15am. For Julie, this was one of the worst parts of the job. Most of her colleagues hated doing paperwork or collating information back at the office, but she didn’t mind that. More often than not, it was something that helped solve a crime or take a case on to the next stage. Door-to-door enquiries tended to follow a fairly predictable pattern. Most people wouldn’t be in. That took a significant dent out of the potential witness pool. Of those who did answer their doors, the majority would just shake their heads and give her a blank stare, as if she’d asked them to solve the Hodge conjecture. Those who did have something to say, would usually say something entirely useless and unrelated to the enquiry. Of course, there were times when door-to-door and teleph