Guangdong uses lie detector in corruption probe

By Jane Chen | October 30, 2009, Friday |

Online Edition

PROSECUTORS in a south China city have started using lie detectors while interrogating officials suspected of corruption.

The Dongguan City People's Procuratorate showcased the polygraph during an open day for the public yesterday, today's Nanfang Daily reported.

The polygraph detects whether a person is lying by measuring and recording responses such as blood pressure, pulse, breathing rhythms, body temperature and skin conductivity while the subject answers a series of questions, according to the prosecutors.

It works on the theory that false answers will produce distinctive measurements.

It will be mainly used in interrogating officials but results will not be provided as legal evidence, prosecutors said.

Nation

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Guangdong uses lie detector in corruption probe

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