"If I just call him a rat or parasite enough then I won't need to present any evidence or cite any names of orgs he was supposedly a part of."

FBI has a long sorted history with tracking people with progressive messaging. Other than being affiliated with other people the FBI also dislikes, all she's showing is that there's no whistleblowing coming from her other than a continuation of the mission without the FBI label.

Sounds a bit far fetched.