Curriculum Vitae
Education
M.S. Criminal Justice & Criminology
In Progress · Expected Dec 2026
Texas State University · San Marcos, TX · 4.00 GPA
B.S. Criminal Justice
May 2023
Texas State University, College of Applied Arts · 3.15 GPA · Dean's List Fall 2022
Positions
Research Associate
Apr 2024 – Present
ALERRT Center, Texas State University · San Marcos, TX
Publications
Research Reports
Martaindale, M. H., Johncox, J. D., & Eleuterio-da-Rocha, J. (2026). The role of locked doors and access control in school-based active shooter events: An analysis of U.S. K–12 active shooter incidents, 2000–2025. ALERRT Center at Texas State University.
Journal Articles
Blair, J. P., Martaindale, M. H., Tanksley, P. T., & Johncox, J. D. (2025). Active attacks with motor vehicles: A short report and case study of the 2025 New Year's Day attack in New Orleans, LA. American Journal of Criminal Justice, 50(6), 1067–1074.
Eleuterio-da-Rocha, J., Tanksley, P. T., Martaindale, M. H., Johncox, J., & Blair, J. P. (2026). Striking or grappling? Comparing public and officers’ perceptions of police use of force. Journal of Criminal Justice, 103, 102601.
Johncox, J. D., & Martaindale, M. H. (2025a). @#%$!: The impact of officer profanity on civilians’ perception of what constitutes reasonable use of force. Applied Police Briefings, 2(3), 55–57.
Johncox, J. D., & Martaindale, M. H. (2025b). Wait for backup or not? How police officers view their role when responding to an active shooter event. Applied Police Briefings, 2(3), 64–66.
Johncox, J. D., Martindale, M. H., & Sandel, W. L. (2025). Can a virtual reality training scenario elicit a stress response similar to that of a realistic scenario-based training scenario? Applied Police Briefings, 2(1), 17–19.