Scientific American - February 2019

14BScientific American, February 2019

ALLAN SWART

Getty Images

MACHINE LEARNING

Lie-Detector

AI

Algorithm helps to identify

fake police reports

S ains  ationa  oice  or s recently

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worked as a police inspector in  ranada

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at how often his team had to deal with

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of time investigating cases that had never

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at Spain’s Ministry of nterior in Madrid.

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sons. Some simply want to avoid telling

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The team trained  eri ol on a total of

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had closed—meaning either the thief had

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confessed to fabricating the crime. t then

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a helmet or attacks from behind). They also

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is clear: “ eople are going to think more than

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— Emiliano Rodríguez Mega

Polygraph machines also attempt to spot lies.

A  A   S

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