In Chapter 11 of Bartol & Bartol (2019), the topic of forensic assessment of family and intimate partner violence is discussed. As those within forensic psychology embark upon the treatment of intimate partner violence (IPV) there are many salient points upon which to focus. No longer is it deemed suitable within professional circles to treat only the perpetrator of family violence. The common approach in contemporary forensic psychology is a much more holistic method.
In this post

Address the utility of a multimodal approach to the treatment of family and intimate partner violence.
Answer the question of what is meant by a multimodal approach to treatment.
In addition, answer the query of how an openended interview might be the best technique for use in the treatment of IPV.