“No, he’d never met Braun. You see, Jason kept his identity pretty well masked because so many times he had to pose as a fire-bug in order to trap the people he was after. And, incidentally, that’s why this business about his disappearance is a joke. I happen to know that right now he’s working on a big case. There have been no less than twelve fires in the last six months which can be traced back to one gang of fire-bugs — no proof, you understand, but the underwriters are morally certain.”

Mason said, “Look here, Wray, I’m going to ask you to do me a favor, something which will be of the greatest benefit to Mrs. Prescott. I want you to get in touch with Jason Braun for me. I want you to arrange for a confidential meeting at the earliest possible moment. I want to see him before he sees anyone else. Do you think you can do it?”

“Why, sure,” Wray said. “Why, I can get Claire — that’s the wife — to locate him within an hour.”

“Remember,” Mason said, “he left this apartment two weeks ago and hasn’t been heard from since. He had an engagement with a girl friend and stood her up on that engagement. Confidentially, there’s some evidence to indicate he may be suffering from an impaired memory. Circumstances which I won’t discuss now indicate that—”

“Oh, I’m sure there’s nothing like that,” Wray said. “He’s working on a case, that’s all. Claire will know about it. Why, I was talking with him myself yesterday morning and he was perfectly normal.”

“He recognized you then?”

Wray said, “Of course he recognized me. My God, Mason, I don’t know what you’re after, but whatever it is, you’re barking up the wrong tree. Jason’s all right. Naturally, he’s secretive in his methods, that’s all.”

“Well,” Mason told him, “please don’t misunderstand me. It’s of absolutely vital importance that I talk with Jason Braun. I want to talk with him before the police do.”

“The police?”

“Yes. He may be a witness either for or against Mrs. Prescott.”