From the reports, it seems like they have some kind of bayesian system based on metadata which has to output non-us-citizen at more than 0.51 probability.

Which doesn't really make me feel better.

I hate this heat-map shit. I run an Tor exit node and a public wifi access point in my neighborhood. I encrypt all my drives. I use PGP. I have four cell phones because I do cellphone development. I bitcoin mine, and made a pile of money in the bubble, which I transferred in multiple thousand-dollar increments from a foreign bank to mine, to stay under my mtgox daily limit. I donated to Ron Paul once. I closed my Facebook account.

I haven't done anything wrong or illegal, but there is no way I'm not a big red flag on their map.