Black propaganda.
Discourage whistleblowers by saying 'We know where you are , we are coming to get you!'
If they did have a technique that worked , they wouldn't publish the details, because then whistlebowers , or ISIL terrorists making their 'cough up or we kill the kid' videos would very quickly take precautions to avoid their location being identified.
Maybe they can track location, but they aren't going to tell us how they do it.
Biting the hand that feeds IT
