it for a day or two. Do you want the spoons and things as well?"
"No. Only the handkerchief and the paper that was in it."
The two articles were accordingly handed to him and deposited in a tin box which he usually carried in his pocket, and, after a few more words with the disconsolate detective, we took our departure.
"A very disappointing morning," was Thorndyke's comment as we walked away. "Of course the room ought to have been examined by an expert before anything was moved."
"Have you picked up anything in the way of information?" I asked.
"Very little excepting confirmation of my original theory. You see, this man Caldwell was a receiver and evidently a police spy. He gave useful information to the police, and they, in return, refrained from inconvenient inquiries. But a spy, or 'nark,' is nearly always a blackmailer too, and the probabilities in this case are that some crook, on whom Caldwell was putting the screw rather too tightly, made an appointment for a meeting when the house was empty, and just knocked Caldwell on the head. The crime was evidently planned beforehand, and the murderer came prepared to kill several birds with one stone. Thus he brought with him the stamps to make the sham finger-prints on the window, and I have
