“Well?”
“Surely the inference is plain.”
“You mean that he has a great income and that he must earn it in an illegal fashion?”
“Exactly. Of course I have other reasons for thinking so—dozens of exiguous threads which lead vaguely up towards the centre of the web where the poisonous, motionless creature is lurking. I only mention the Greuze because it brings the matter within the range of your own observation.”
“Well, Mr. Holmes, I admit that what you say is interesting: it’s more than interesting—it’s just wonderful. But let us have it a little clearer if you can. Is it forgery, coining, burglary—where does the money come from?”
“Have you ever read of Jonathan Wild?”
“Well, the name has a familiar sound. Someone in a novel, was he not? I don’t take much stock of detectives in novels—chaps that do things and never let you see how they do them. That’s just inspiration: not business.”
“Jonathan Wild wasn’t a detective, and he wasn’t in a novel. He was a master criminal, and he lived last century—1750 or thereabouts.”
“Then he’s no use to me. I’m a practical man.”
“ Mr. Mac, the most practical thing that you ever did in your life would be to shut yourself up for three months and read twelve hours a day at the annals of crime. Everything comes in circles—even Professor Moriarty. Jonathan Wild was the hidden force of the London criminals, to whom he sold his brains and his organization on a fifteen percent