The Wall Street Journal reports on a covert surveillance program by the U.S. Marshals Service that uses planes as fake communications towers in order to capture cellphone conversations of suspects. Planes, which have been deployed at five metropolitan-area airports, at least, use devices called “dirtboxes” that trick cell phones into identifying information and their locations, the report states. The U.S. Department of Justice said the program complies with U.S. law. (Registration may be required to access this story.)
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