Lie-detector tests increasingly use voice stress analysis, a technology has gained in popularity as its software is refined, says the New YOrk Times. "It can really be done anywhere," said Detective Pat Kemper of the Springfield Township Police Department in Ohio, who says he has used the voice-based testing to question thousands of suspects over the last decade. "It can be done via a telephone recording. It can be done covertly. You can use it for anything." In Britain, insurance companies use it to screen telephone claims in hopes of rooting out fraud. One insurer says 25 . . .
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