Electronic hide-and-seek with the Feds.
... the most interesting question unanswered in the FBI affidavit (.pdf) is how the bureau gets its "Computer and Internet Protocol Address Verifier" onto a target PC. -Wired
Fighting the 'bad-guys' on the internet is serious stuff. However, here's to hoping the DOJ hasn't been as lax in this area as they were with National Security Letters.