opportunity or the time to commit the murder between half past eleven and ten minutes of twelve when Judge Redfern met him. And, remember, he played poker in the club here until three in the morning—hours after the murder took place."
Markham shook his head with emphasis.
"Vance, there's no human way to get round those facts. They're firmly established; and they preclude Spotswoode's guilt as effectively and finally as though he had been at the North Pole that night."
Vance was unmoved.
"I admit everything you say," he rejoined. "But as I have stated before, when material facts and psychological facts conflict, the material facts are wrong. In this case, they may not actually be wrong, but they're deceptive."
"Very well, magnus Apollo!" The situation was too much for Markham's exacerbated nerves. "Show me how Spotswoode could have strangled the girl and ransacked the apartment, and I'll order Heath to arrest him."
"'Pon my word, I can't do it," expostulated Vance. "Omniscience was denied me. But—deuce take it!—I think I've done rather well in pointing out the culprit. I never agreed to expound his technic, don't y' know."
"So! Your vaunted penetration amounts only to that, does it? Well, well! Here and now I become a professor of the higher mental sciences, and I pronounce solemnly that Doctor Crippen murdered the Odell girl. To be sure, Crippen's dead; but that fact doesn't interfere with my newly adopted psychological means of deduction. Crippen's nature, you
