"So the fines in this case must be at least $930mn, and could be as much as $2.8bn. And yet no one seems to know even what kind of dastardly malfeasance this whistleblower blew the whistle on!"

Right? What the hell!

https://www.ft.com/content/0c151887-b19f-46bb-a27e-9b6248aff75d