License-plate readers create 'massive intelligence database'
Over the past two years, roof-mounted license-plate readers have alerted authorities to stolen vehicles
COLORADO SPRINGS, Colo. — It's a little black box perched on a police car, and it's always watching.
When 87-year-old Katherine "Kit" Grazioli's body turned up along a dirt road in the foothills west of Colorado Springs last November, the little black box spied her stolen car within hours.
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