47

"It is, of course, possible," I said, "that I have something wrong, or several things wrong. But I think the chain is strong enough to survive a test."

"How can you test it?" Sandra asked.

"Hopefully, but it'll have to wait until the Commissioner of Police visits next Tuesday."

"How did you know she'll be visiting?" Sandra asked.

"Pretty obvious really," I said, "you were literally beside yourself when you came back, and I suspect she will be bringing somebody with her."

"If he can be convinced that it is in his interest to come."

"I thought as much," I said, "Let's hope he does, eh?"

"How do you know that our guest will be a man?"

"Because it can only be one person, and that person is a man."

"Right then," Sandra said brightly, "what do we do now?"

"Well, I've got another blood test for my anaemia first thing in the morning, so why don't we see if we can get into see a show up the West End?"

Her