“He was sent along that street because the window was there with a murderous heart behind it. The room was not hired because there was a plot against the boy at that time. Presently we shall doubtless know why it was engaged, and who the tenant was.”

“The whole case is a wonder,” said Chick. “I confess that I don’t know what to make of it. And it seems to me that we are not progressing very rapidly.”

There was an inscrutable smile on the face of the detective as he asked:

“What’s your notion of getting on with a case?”

“Why, getting a clue to work on.”

“You don’t see one here?”

“Why, there’s a woman with bleached hair, and a young man who calls himself a reporter, and the chief of the Great Diamond Syndicate, and all that, but we don’t know where to look for them.”

“There are two women with red hair,” said Nick, with a laugh.

“Two?”

“Exactly.”