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 want erudite technicalities. And the average policeman's brain is too forthright to cope with the pedantic demands of jurisprudence."

"It's not as bad as that," Markham retorted, with an attempt at good nature, although the strain of the past few weeks had tended to upset his habitual equanimity. "If there weren't rules of evidence, grave injustice would too often be done innocent persons. And even a criminal is entitled to protection in our courts."

Vance yawned mildly.

"Markham, you should have been a pedagogue. It's positively amazin' how you've mastered all the standard oratorical replies to criticism. And yet, I'm unconvinced. You remember the Wisconsin case of the kidnapped man whom the courts declared presumably dead. Even when he reappeared, hale and hearty, among his former neighbors, his status of being presumably dead was not legally altered. The visible and demonstrable fact that he was actually alive was regarded by the court as an immaterial and impertinent side-issue. . . . Then there's the touchin' situation—so prevalent in this fair country—of a man being insane in one State and sane in another. . . . Really, y' know, you can't expect a mere lay intelligence, unskilled in the benign processes of legal logic, to perceive such subtle nuances. Your layman, swaddled in the darkness of ordin'ry common sense, would say that a person who is a lunatic on one bank of a river would still be a lunatic if he was on the opposite bank. And he'd also