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From VOA Learning English, this is the Technology Report.
Some police cars in the United States are equipped with special cameras that take pictures of automobile license plates. License plates identify a vehicle and its owner in state records. Detective Mohammed Tabibi in Arlington County, Virginia, says police in his community have caught people involved in serious crimes because of license plate readers. He uses the device to look for stolen vehicles. But privacy rights groups say they are concerned about license plate readers. They say police store the information on computers and share it with other local, state and federal law enforcement agencies. They say license plate readers can provide details of the daily travel of millions of Americans. Jay Stanley is with the American Civil Liberties Union. He says the government should not store such information unless it has a reason to believe someone is involved in wrongdoing. Until his recent retirement, Kevin Reardon was a captain in the Arlington County police. Mr. Reardon said county policy has been to keep the information from license plate readers for six months. But he said other law enforcement agencies that use the county’s information might keep it for an unlimited time.
Privacy activists say they do not disagree with police departments taking pictures of license plates to investigate crimes. But Jay Stanley says they are against storing all of the records for a long time. The ACLU has brought a federal case against the Department of Justice and the Department of Homeland Security. The civil liberties group says Americans need to know how federal officials are using the information collected from license plate readers.