Peter and Lisa can say whatever they want and continue to get paid.
Recall that when IG Michael Horowitz made Robert Mueller aware of the biased text messages between that pair, even such a low-life as Mueller felt obliged to kick them off his team, quietly.
It is probably fortunate that texting, much less IGs monitoring texting, was largely in the future in 1997. Of course, IGs monitoring mouthing is still in the future, but how far?
The real truth is, likely Kavanaugh had pissed off faggot Brock at some point, so Brock made up the mouthing incident to enhance his book and score some petty revenge!