Wednesday, November 23, 2011
An armed robber burst into a Northeast Washington market, scuffled with the cashier, and then shot him and the clerk’s father, who also owned the store. The killer sped off in a silver Pontiac, but a witness was able to write down the license plate number.
Police figured out the name of the suspect very quickly. But locating and arresting him took a little-known investigative tool: a vast system that tracks the comings and goings of anyone driving around the District.
Scores of cameras across the city capture 1,800 images a minute and download the information into a rapidly expanding archive that can pinpoint people’s movements all over town.
Police entered the suspect’s license plate number into that database and learned that the Pontiac was on a street in Southeast. Police soon arrested Christian Taylor, who had been staying at a friend’s home, and charged him with two counts of first-degree murder. His trial is set for January.
More than 250 cameras in the District and its suburbs scan license plates in real time, helping police pinpoint stolen cars and fleeing killers. But the program quietly has expanded beyond what anyone had imagined even a few years ago.
With virtually no public debate, police agencies have begun storing the information from the cameras, building databases that document the travels of millions of vehicles.
Nowhere is that more prevalent than in the District, which has more than one plate-reader per square mile, the highest concentration in the nation. Police in the Washington suburbs have dozens of them as well, and local agencies plan to add many more in coming months, creating a comprehensive dragnet that will include all the approaches into the District.
“It never stops,” said Capt. Kevin Reardon, who runs Arlington County’s plate reader program. “It just gobbles up tag information. One of the big questions is, what do we do with the information?”...[Full Article]
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