TY  - BOOK
AU  - Silver, James 
AU  - Simons, Andre 
AU  - Craun, Sarah 
ED  - Public Intelligence
TI  - A Study of the Pre-Attack Behaviors of Active Shooters in the United States : : Between 2000 and 2013
PY  - 2018///
PB  - The Office of the Director of National Intelligence
KW  - Estrategias de seguridad
KW  - Investigación
KW  - Francotiradores
KW  - Estados Unidos de América
UR  - https://info.publicintelligence.net/FBI-ActiveShooterIndicators.pdf
ER  -