2004 Wiretap report came out 4 May.
http://www.govtech.net/magazine/channel_story.php?channel=3&id=93846
Summary: 1700+ intercepts (punch list aggregate).
The word VoIP or Internet does not appear anywhere in the 250+ page report.
Gambling and Narcotics remain #1 reasons for a lawful order. Terrorism
is usually handled FISA avenue, which are secret and not reported
publicly.
The official FBI document can be found here:
http://www.askcalea.net/docs/2004wiretap.pdf
-M<