I think she, her father, and Wade concocted the living, money, and private boyfriend story and that they intimidated the other witnesses.
Fani further damaged herself, in my opinion, by coming off as the way she did, and the caviar and grey goose comments - oy vey.
Wade wore a plastered fake smile, Willis's father laughed before answering every question, while Willis was hostile and unhinged in her responses.
I found myself musing on what their reactions have been when examining witnesses the reacted to their question the way they were reacting. They likely would demand the court admonish the witness. Maybe even contempt