Actually fascinating.
Consider the tone and the efforts they're going to in order to distinguish between Bitcoin and the wrongdoing. e.g.
Manhattan U.S. Attorney Preet Bharara: "Truly innovative business models don’t need to resort to old-fashioned law-breaking, and when Bitcoins, like any traditional currency, are laundered and used to fuel criminal activity, law enforcement has no choice but to act. We will aggressively pursue those who would coopt new forms of currency for illicit purposes."