Facial recognition technology lands man in prison

CTA surveillance cameras captured images of the suspect

CHICAGO — The first man arrested by Chicago police with the help of facial recognition technology has been sentenced to 22 years in state prison.

The Chicago Sun-Times reports that 35-year-old Pierre D. Martin was sentenced this week. He was convicted by a judge last month of a 2013 robbery and then pleaded guilty to another 2013 robbery.

One of the holdups took place on a Chicago Transit Authority train. The other occurred on a train platform.

CTA surveillance cameras captured images of the suspect. Using recognition technology that the department received last year through a federal grant, investigators could compare those images against 4.5 million criminal booking shots.

Martin, a convicted felon, came back as a match.

Witnesses then identified him in photo lineups.

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