1. ALERRT (2022). Robb Elementary School Attack Response Assessment and Recommendations. Texas State University.
2. Ballotpedia (2022, September). United States School Shootings and Firearm Incidents, 1990-Present. Ballotpedia. https://ballotpedia.org/United_States_school_shootings_and_firearm_incidents,_1990-present
3. School Shootings
4. Buerger, M. E., & Buerger, G. E. (2010, September). Those Terrible First Few Minutes: Revisiting Active-Shooter Protocols for Schools. FBI Law Enforcement Bulletin. https://leb.fbi.gov/articles/featured-articles/those-terrible-first-few-minutes-revisiting-active-shooter-protocols-for-schools#:~:text=Most active-shooter protocols contain the same advice: implement,electrical equipment that would attract the shooter’s attention
5. Burrows, D., Moody, J., & Guzman, E. (2022). Investigative Committee on the Robb Elementary Shooting, Texas House of Representatives. Texas House of Representatives.