Does anyone recall the flap over "Able Danger", the military intelligence operation that some say identified one of the 9/11 hijackers while he was still alive?
Here is the start of a multi-part series on Able Danger, from a Washington Post author who seems to be digging into what Able Danger actually was and how its data-mining worked. I don't know if he's got it right - only part 1 is online so far - but anyhow I thought it might interest some.
http://blogs.washingtonpost.com/earlywarning/