Sarah had almost reached her office door when Detective Hudson's words penetrated her mind. By that time Hudson had already called Helen Blake into Parker's office and was busy interrogating her. Sarah wondered if she ought to knock on the door and tell her what she knew, or she thought she knew, but she decided that it could wait a few minutes. It might also just be a coincidence anyway. There are a lot of people named Tyson in the world, and just because Diana had a brush with a man named Tyson, between thirteen and fifteen years ago; just about the time Clara came to work for her, a tiny voice in her mind reminded her, there was not a necessary connection between them. It was a suggestive idea, certainly, but by no means a sure thing.
And then Sarah realized that if she told Detective
