Watch the highlights from the CINA Distinguished Speaker Series with Christopher Koper and Beidi Dong. The presentation highlights recent and ongoing research by the presenters and their colleagues on the topic of mass violence in the United States. The presenters discuss findings and recommendations stemming from a recent workshop on understanding and countering mass violence that was held by George Mason University and Carnegie Mellon University with funding from the National Science Foundation. Drawing on findings from the workshop, the presenters highlighted recent trends in mass violence and examine the potential to prevent mass violence through widespread adoption of multi-disciplinary threat assessment teams, extreme risk protection orders, firearms policies, and other efforts to identify and disarm high-risk individuals.