Something we've been saying on here for ages - DV is a predictor of nutters going off the rails and going on to commit terrorist attrocities, DV against women is a form of terrorism and shares some of the same features (male pattern violence, propensity to hate and dehumanise people you perceive as "other").
Suzanne Moore in today's Guardian.
www.theguardian.com/commentisfree/2018/oct/29/lone-wolf-terrorists-and-domestic-violence-its-time-to-start-joining-the-dots