I have a former acquaintance who has falsely accused me of several serious crimes, and obtained an ex-parte PPO using an incident that never happened. The police refuse to charge her with deliberately making false statements during an investigation. When she gets a text or e-mail she doesn't recognize, I'm contacted by cops who end up asking me for personal information(like my IP address, and I tell them nothing), and implying that I'm the sender. One family law lawyer has told me that, since the cops have become involved, I need a criminal lawyer. Is what she's doing defamation, and can anyone suggest a plan to have this ongoing harassment / false accusation stopped?