Complex sentence: Following the dismissal, the plaintiff took to the internet and posted diatribes denouncing Leach and the Texas man as anti-Semites that were unearthed by a Brooks researcher and used in the mailer.
Split into simpler sentences: Following the dismissal, the plaintiff posted on the Internet, denouncing Leach and the Texas man as anti-Semites. The posts were unearthed by a Brooks researcher and used in the mailer.