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Harris Stingray

Harris Corp. is the best-known maker of stingrays, like this one.

Credit: U.S. Patent and Trademark Office

The U.S. Department of Justice now says its use of a cellphone-tracking device in a controversial Arizona case could be considered a "search" under the Fourth Amendment, a tactical move legal experts say is designed to protect the secrecy of the gadgets known as "stingrays."

From The Wall Street Journal
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