“To tell you the truth, I was upset that night. I knew Miss Odell was out with another man—she’d broken an appointment with me—and I walked the streets for an hour or more, fuming and fretting.”

“Walked the streets?” Vance frowned.

“That’s what I said.” Cleaver spoke with animus. Then, turning, he gave Markham a long calculating look. “You remember I once suggested to you that you might learn something from a Doctor Lindquist. . . . Did you ever get after him?”

Before Markham could answer, Vance broke in.

“Ah! That’s it!—Doctor Lindquist! Well, well—of course! . . . So, Mr. Cleaver, you were walking the streets? The streets, mind you! Precisely!—You state the fact, and I echo the word ‘streets.’ And you—apparently out of a clear sky—ask about Doctor Lindquist. Why Doctor Lindquist? No one has mentioned him. But that word ‘streets’—that’s the connection. The streets and Doctor Lindquist are one—same as Paris and springtime are one. Neat, very neat. . . . And now I’ve got another piece to the puzzle.”

Markham and Heath looked at him as if he had suddenly gone mad. He calmly selected a Régie from his case and proceeded to light it. Then he smiled beguilingly at Cleaver.

“The time has come, my dear sir, for you to tell us when and where you met Doctor Lindquist while roaming the streets Monday night. If you don’t, ’pon my word, I’ll come pretty close to doing it for you.”

A full minute passed before Cleaver spoke; and during that time his cold staring eyes never moved from the District Attorney’s face.

“I’ve already told most of the story; so here’s the rest.” He gave a soft mirthless laugh. “I went to Miss Odell’s house a little before half past eleven—thought she might be home by that time. There I ran into Doctor Lindquist standing in the entrance to the alleyway. He spoke to me, and told me some one was with Miss Odell in her apartment. Then I walked round the corner to the Ansonia Hotel. After ten minutes or so I telephoned Miss Odell, and, as I said, a man answered. I waited another ten minutes and phoned a friend of Miss Odell’s, hoping to arrange a party; but failing, I walked back to the house. The doctor had disappeared, and I went down the alleyway and in the side door. After listening a minute, as I told you, and hearing a man’s voice, I came away and went home. . . . That’s everything.”

At that moment Swacker came in and whispered something to Heath. The Sergeant rose with alacrity and followed the secretary out of the room. Almost at once he returned, bearing a bulging Manila folder. Handing it to Markham, he said something in a low voice inaudible to the rest of us. Markham appeared both astonished and displeased. Waving the Sergeant back to his seat, he turned to Cleaver.