Problem is that the investigation is anti-trust. It won't impact a counter-intelligence investigation or a criminal probe.
They are hoping to pull a fast one like RR did with Mueller in shutting down parallel investigations, but it has already been shut down.
Furthermore, anything related to antitrust found by other investigators can be referred to their investigation. Which they have an obligation to look into and present in a public report unless they want to find themselves facing obstruction charges.
Fuinjutsu is best jutsu.