Well seeing as these guys have it reported as well:
http://voices.washingtonpost.com/checkpoint-washington/2010/07/boston_globe_pentagon_workers.html
http://www.boston.com/news/nation/washington/articles/2010/07/23/pentagon_workers_tied_to_child_porn/
And you can DL a Department of Defense statement on it from here:
http://www.dodig.mil/pressroom.htm
It's 94 pages, pretty comprehensive
[EDIT: Holy poop, I stand corrected, it's the DoD's write up of their own investigation, lots of it is redacted but there is a lot of info in there...it names names, only a couple...]
(operation Flicker, 1st DL)
As the dude above me says...5000 suspects, not 5000 actually guilty, and only a few of those will be from the military etc.