... and anybody with any sense could guess they've been doing this for far longer. The NSA doesn't go around shouting it from the rooftops, but they've never tried particularly hard to hide that they're doing this sort of thing.
Note the copyright date on this file from the Emacs distribution:
2006?
Try 1997
http://en.wikipedia.org/wiki/Carnivore_(software) http://en.wikipedia.org/wiki/ECHELON_system