I'll go first.
As I mentioned, you can think of the on ramps or off ramps: exchanging Canadian dollars for Bitcoin and vice versa. That's where you could look at how you want financial reporting to be handled by these organizations.
In terms of specific criminal activity, it just falls under the RCMP's jurisdiction. It could be different levels of police, but for federal crimes.... And they're doing a great job. They treat it like any Internet crime. That's not necessarily going to dig into the specifics of Bitcoin or the fact that a currency is being used.