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기사

2020년 2월 7일

저자:
Byron Tau & Michelle Hackman, Wall Street Journal

USA: Federal agencies use cellphone location data for immigration enforcement

The Trump administration has bought access to a commercial database that maps the movements of millions of cellphones in America and is using it for immigration and border enforcement, according to people familiar with the matter and documents reviewed by The Wall Street Journal.

The location data is drawn from ordinary cellphone apps, including those for games, weather and e-commerce, for which the user has granted permission to log the phone’s location.

... U.S. Immigration and Customs Enforcement, a division of DHS, has used the data to help identify immigrants who were later arrested, these people said. U.S. Customs and Border Protection, another agency under DHS, uses the information to look for cellphone activity in unusual places, such as remote stretches of desert that straddle the Mexican border...

Experts say the information amounts to one of the largest known troves of bulk data being deployed by law enforcement in the U.S.—and that the use appears to be on firm legal footing because the government buys access to it from a commercial vendor, just as a private company could, though its use hasn’t been tested in court.

... Contracting records show the federal government is buying the location data from Venntel. Venntel, in turn, purchased the information from private marketing companies that sell the location data of millions of cellphones to advertisers, people familiar with the matter say.

Venntel’s president, Chris Gildea, said, “We are not able to comment on behalf of our customers, and any inquiries on this contract should be directed to DHS.”

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