Named, specific sources that agree with each other.
Still neededA second source outside the industry.
Public records back it up across several years.
Still neededThe most recent year's figures.
Several independent accounts describe the same events.
Still neededA direct statement from the company.
Recent reporting supports it, but from one angle.
Still neededAn account from someone outside the deal.
Plausible given the history, not yet documented.
Still neededPrimary documents, or a named source willing to confirm.