People often complain that music is too ambiguous that what they should think when they hear it is so unclear whereas everyone understands words. With me it is exactly the opposite and not only with regard to an entire speech but also with individual words.

By definition intelligence deals with the unclear the unknown the deliberately hidden. What the enemies of the United States hope to deny we work to reveal.

It is unclear exactly how many law enforcement agencies are currently using this capability but it is reasonable to say that while resource limitations used to discourage the government from tracking you without a good reason these constraints have largely disappeared.