School Shootings International Research, Case Studies, and Concepts for PreventionBöckler, N., Seeger, T., Sitzer, P., & Heitmeyer, W. (2013). School shootings international research, case studies, and concepts for prevention. Springer. https://doi.org/10.1007/978-1-4614-5526-4
Chapter 2 of this text may help with this Module's assignment.