money the two men were murdered for!—no, it was for information, a secret! Or, as I put it before, the key to something."
"And you believe, really and truly, that this key is in the marks or scratches or whatever they are on the lid of the tobacco-box?" I asked.
"Aye, I do!" he exclaimed. "And what's more, Middlebrook, I believe I'm a doited old fool! If I'd contrived to get a good, careful, penetrating look at that box, without saying anything to the police, I should ha' shown some common-sense. But like the blithering old idiot that I am, I spoke my thoughts aloud before a company, and I made a present of an idea to these miscreants. Until I said what I did, the murderous gang that knifed yon two men hadn't a notion that Salter Quick carried a key in his tobacco-box! Now—they know."
"You don't mean to suggest that any of the murderers were present when you asked permission to photograph the box!" I exclaimed. "Impossible!"
"There's very few impossibilities in this world, Middlebrook," he answered. "I'm not saying that any of the gang were present in Raven's outhouse yonder, where they carried the poor fellow's body, but there were a dozen or more men heard what I said to the police-inspector, like the old fool I was, and saw me taking my photograph. And men talk—no matter of what degree they are."
"Mr. Cazalette," said I, "I'd just like to see your results."
He got off his bed at that, and going over to a chest of drawers, unlocked one, and took out a writing-case, from which he presently extracted a sheet