“I will not be sure, but I believe that it was only half down. Yes, I remember how he pulled it up in order to swing open the window. I could not find my stick, and he said, ‘Never mind, my boy, I shall see a good deal of you now, I hope, and I will keep your stick until you come back to claim it.’ I left him there, the safe open, and the papers made up in packets upon the table. It was so late that I could not get back to Blackheath, so I spent the night at the Anerley Arms, and I knew nothing more until I read of this horrible affair in the morning.”

“Anything more that you would like to ask, Mr. Holmes?” said Lestrade, whose eyebrows had gone up once or twice during this remarkable explanation.

“Not until I have been to Blackheath.”

“You mean to Norwood,” said Lestrade.