[section_tc][column_tc span=’12’][text_tc timing=’linear’ trigger_pt=’0′ duration=’1000′ delay=’0′] This undated handout photo provided by the U.S. Patent and Trademark Office shows the StingRay II, manufactured by Harris Corporation, of Melbourne, Fla., a cellular site simulator used for surveillance purposes. Federal law enforcement officials are routinely required to get a search warrant before using secretive and intrusive cellphone-tracking technology, but evidence suggests that spies and criminals may be using these rogue devices to…