Source:

This article gives in depth information.

No foul play. The agent only became head of the la field office this summer and the field office has been investigating this case far beyond that.

He will still be found guilty I’m sure.

Agents in charge of a field office don’t actually work on cases. They just oversee. And the agent assigned to his case is working with a AUSA more than he is the agent in charge.

https://www.latimes.com/california/story/2022-11-15/top-fbi-official-in-l-a-silent-about-his-and-moms-connection-to-tom-girardi