innocent. Furthermore, I know that no woman could possibly have fired the shot."
"Don't get the erroneous idea in your head that a woman couldn't have manipulated a forty-five army Colt."
"Oh, that?" Vance dismissed the notion with a shrug. "The material indications of the crime don't enter into my calculations, y' know,—I leave 'em entirely to you lawyers and the lads with the bulging deltoids. I have other, and surer, ways of reaching conclusions. That's why I told you that if you arrested any woman for shooting Benson you'd be blundering most shamefully."
Markham grunted indignantly.
"And yet you seem to have repudiated all processes of deduction whereby the truth may be arrived at. Have you, by any chance, entirely renounced your faith in the operations of the human mind?"
"Ah, there speaks the voice of God's great common people!" exclaimed Vance. "Your mind is so typical, Markham. It works on the principle that what you don't know isn't knowledge, and that, since you don't understand a thing, there is no explanation. A comfortable point of view. It relieves one from all care and uncertainty. Don't you find the world a very sweet and wonderful place?"
Markham adopted an attitude of affable forbearance.
"You spoke at lunch time, I believe, of one infallible method of detecting crime. Would you care to divulge this profound and priceless secret to a mere district attorney?"
