“How long was he here?”

“Perhaps twenty minutes.”

“When he left, he was all right, was he?”

“Oh, quite all right — that is, except for these superficial cuts and bruises.”

“Did you,” Mason asked, “get Packard’s address?”

“Oh, yes. Just a moment and I’ll get it.”

Dr. Wallace consulted his file of card records, selected one, and read off an address, “1836 Robinson Avenue, Altaville, California.”

“That’s evidently his permanent address,” Mason said. “Did you find where he was staying here in the city?”

“No, I didn’t. I gathered that he was just passing through.”

“Did you gather that impression from a direct statement made by him, or simply because of what you—”