“Yes—yes—speaking. Good God, you don’t say so. All right. Yes. Yes, of course you must detain him. I think myself it’s a plant, but he must be held and questioned. And see that all the papers have it. Tell ’em you’re sure he’s the man. See? Soak it well into ’em that that’s the official view. And—wait a moment—I want photographs of the cheque and of any finger-prints on it. Send ’em down immediately by a special messenger. It’s genuine, I suppose? The Bank people say it is? Good! What’s his story? . . . Oh! . . . any envelope?—Destroyed?—Silly devil. Right. Right. Good-bye.”

He turned to Wimsey with some excitement.

“Hallelujah Dawson walked into Lloyds Bank in Stepney yesterday morning and presented Mary Whittaker’s cheque for £10,000, drawn on their Leahampton branch to Bearer, and dated Friday 24th. As the sum was such a large one and the story of the disappearance was in Friday night’s paper, they asked him to call again. Meanwhile, they communicated with Leahampton. When the news of the murder came out yesterday evening, the Leahampton manager remembered about it and ’phoned the Yard, with the result that they sent round this morning and had Hallelujah up for a few inquiries. His story is that the cheque arrived on Saturday morning, all by itself in an envelope, without a word of explanation. Of course the old juggins chucked the envelope away, so that we can’t verify his tale or get a line on the post-mark. Our people thought the whole thing looked a bit fishy, so Hallelujah is detained pending investigation—in other words, arrested for murder and conspiracy!”

“Poor old Hallelujah! Charles, this is simply devilish! That innocent, decent old creature, who couldn’t harm a fly.”

“I know. Well, he’s in for it and will have to go through with it. It’s all the better for us. Hell’s bells, there’s somebody at the door. Come in.”

“It’s Dr. Faulkner to see you, sir,” said the constable, putting his head in.

“Oh, good. Come in, doctor. Have you made your examination?”

“I have, Inspector. Very interesting. You were quite right. I’ll tell you that much straight away.”

“I’m glad to hear that. Sit down and tell us all about it.”

“I’ll be as brief as possible,” said the doctor. He was a London man, sent down by Scotland Yard, and accustomed to police work—a lean, grey badger of a man, business-like and keen-eyed, the direct opposite of the “tutster” who had annoyed Parker the evening before.