Yep. I thought Karpeles was a US citizen. Maybe I'm wrong about that, but even if he isn't, he opened US bank accounts and broke US laws (according to FinCEN), which means he can be extradited. If anything you do happens on American soil, even if you are never physically on American soil, you can be prosecuted by the US government. Do you think they would have gone as far as to seize the Dwolla account with potentially millions of dollars in it if they weren't planning to prosecute? I think this is very bad for MtGox.