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Date: 2014-01-17 16:41:19Electronic engineering Signals intelligence Triggerfish IMSI-catcher Surveillance Mobile phone Phone surveillance Ringtone Stingray Technology National security Security | http://arstechnica.com/tech-policy[removed]meet-the-machines-thAdd to Reading ListSource URL: epic.orgDownload Document from Source WebsiteFile Size: 531,91 KBShare Document on Facebook |