Man was still fighting hard against the machine last week. In Chicago, seasoned liars were still holding out against the lie detector.
The machine had won the first round. When the lie detector was introduced, its grim little pointer spotted surprised liars almost as soon as they opened their mouths. Hardened virtuosos who could fool a cop, a clergymanor even a wifewere no match for the polygraph.
But the machines and their operators both had weaknesses. The liars, gaining experience, became so accomplished that Policeman John E. Reid, Chicago's lie-detector expert, has had to modernize his machines to cope with trickier lying.
The...
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