Data-mining sucks, officially.

Data-mining sucks: official report - Boing Boing:

"A multi-year National Research Council review of data-mining as a means of discovering terrorists has concluded that this just doesn't work very well, and that it ends up harming and harassing -- and terrorizing -- innocents whose only crime is to have a profile that some database-designer thinks is hinky.

...As a Slashdot poster says, "Can't we just go back to probable cause?""