She was afraid that maybe another scam coming after which if a complaint together afterwards, it can be difficult to fight lawsuits and loss of benefits in the end.
Maybe she was afraid that the other party will come later if they pretend to prosecutions later be difficult to fight the lawsuit and impair the benefits in the end.
She was afraid that maybe the other party to deceive their later if born to sue later can be difficult to fight the lawsuit and the interests in the end.