IRS says it will get a warrant before using cell-site simulators

The U.S. Internal Revenue Service is drafting a policy to restrict the use without a warrant of cell-site simulator technology to snoop on the location and other information from mobile phones.The head of the IRS, John Koskinen, wrote in a letter that the agency was drafting a policy that would mirror an earlier Department of Justice rule,  which requires a search warrant supported by probable cause before using the technology,  except in exigent or exceptional circumstances.Cell-site