Check out High Conflict Institute (dot) com

"High Conflict People pick a Target of Blame and assault that person verbally, physically, financially, etc. High Conflict People promote high conflict divorces, lawsuits, complaints against co-workers, neighbors, friends and family. They sue professionals, gather negative advocates, cost employers lots of time and money. High Conflict People convince everyone that it's all your fault! If you're dealing with a situation like this then you've come to the right place to get information, resources and tools to help you."
High Conflict Institute