Invalid Threat
IF you were merely stating your opinion, then the person who threatened to sue you wouldn't have the legal grounds to do so. You would have had to make your statements as facts, and (in some jurisdications) the plaintiff would have to prove that you KNEW your statements were, in...
This matter is a lawsuit AGAINST the FBI. These people are despicable and morally corrupt. For quite a number of years now they have slandered my name by hurling slanderous imputations, despite the obvious fact that they are dead wrong. If that isn't bad enough, I'm under constance surveillance...