My best friend is in the midst of a nasty divorce. Her husband has taken out his anger at her on me, because I'm an easier target being a local business owner. He has left 20+ negative reviews on Yelp, Google, Yahoo and even Craigslist that I had to suffer through having removed. Once those were taken down, he resorted to leaving "positive" reviews for the competition that include horrendous lies about me and my business. He also uploaded terrible photos to my business profile that have yet to be removed, that absolutely did not come from my business. I know if I obtain a subpoena for the source, it will definitely lead to his IP. I can prove monetary damages but I don't know that it would exceed the court costs and attorneys fees. Is this typically a costly process?