ALERRT (Advanced Law Enforcement Rapid Response Training)
Today, we are taking a close, evidence-based look at the Advanced Law Enforcement Rapid Response Training (ALERRT) protocols. Specifically, we will examine the adoption of these standards across US jurisdictions and how the overarching philosophy of "Stop the Killing, Stop the Dying" statistically correlates with reduced intervention timeframes and improved survivability.
The Evolution and Adoption of ALERRT
Active threat responses have fundamentally evolved over the last twenty-five years. The law enforcement and medical communities have stepped away from the perimeter-and-wait models of the past, acknowledging that every second of delay directly correlates to a loss of life.
Developed in 2002 at Texas State University, ALERRT was officially designated as the national standard for active shooter response training by the FBI in 2013. The adoption rate of this protocol across the country has been substantial and continues to grow:
Over 200,000 first responders, including more than 140,000 law enforcement officers, have been trained in these protocols.
Personnel from over 9,000 law enforcement agencies—roughly half of all US agencies—have completed the program.
States including Texas, Alabama, Mississippi, Oklahoma, Iowa, Louisiana, and South Carolina have formally adopted ALERRT as their official state standard for active attack response.
This widespread integration is encouraging. It ensures a unified, predictable, and interoperable response across different agencies—police, fire, and EMS—which is a critical requirement when multi-jurisdictional teams converge on a single, chaotic scene.
The Two-Phased Paradigm: Stop the Killing, Stop the Dying
The core of the ALERRT curriculum is aggressively pragmatic and built entirely on evidence-based timelines. Historical data from the FBI and ALERRT indicates that active attacks typically begin and end within about five minutes, while the average initial police response time is approximately three minutes.
To close the gap between the onset of violence and resolution, ALERRT breaks the response into two distinct, sequential phases:
Phase 1: Stop the Killing The priority of the first arriving officers is to immediately push into the crisis site to isolate, distract, or neutralize the threat. We have seen a necessary tactical shift from waiting to form four-officer diamond formations to authorizing solo or two-officer rapid entries. This assertive posture removes the unopposed time a shooter has, directly limiting the number of initial casualties.
Phase 2: Stop the Dying Once the threat is neutralized or isolated, the focus immediately shifts to hemorrhage control and rapid casualty evacuation. This is where my background in TCCC and TECC deeply intersects with law enforcement tactics. ALERRT integrates Rescue Task Force (RTF) concepts, bringing Fire and EMS personnel into the "warm zone" under law enforcement protection to begin life-saving interventions immediately.
Statistical Efficacy and Timeframes
The primary goal of these protocols is to collapse the timeframes between injury and definitive care. In a trauma scenario, a casualty with a compromised femoral artery can exsanguinate in under three minutes. Therefore, waiting 15 to 45 minutes to clear a building completely before allowing EMS inside is clinically unacceptable.
ALERRT's impact on these timeframes is supported by controlled research and field statistics:
Decreased Threat Neutralization Time: By empowering the first arriving officer to make a solo entry rather than waiting for backup, the time a shooter acts unopposed drops from several minutes to seconds.
Improved Cognitive Processing: ALERRT research utilizing deliberate practice shows that just 20 minutes of specific visual focus training reduces an officer's incorrect weapon identification by roughly 66% and improves visual location speeds by 16%. In the field, accurate processing prevents hesitation, shaving life-saving fractions of a second off the "Stop the Killing" phase.
Rapid Point-of-Wounding Care: Integrating the "Stop the Dying" phase transitions officers from combatants to first-line medical providers. By applying TCCC/TECC principles—such as the immediate application of a tourniquet or chest seal—before EMS arrival, the survival clock is artificially extended for the critically wounded, bridging the gap to definitive surgical care.
Conclusion
Our responsibility as responders, educators, and medical professionals is to evaluate the evidence calmly and adapt to what saves the most lives. The widespread adoption of ALERRT is a testament to the fact that cross-discipline integration works. By standardizing the rapid neutralization of threats and marrying it immediately to point-of-wounding trauma care, we are collectively buying our patients the one thing they need most: time.
Stay safe, train hard, and remember that clinical excellence in the field is always built on meticulous preparation in the classroom.
WORKS CITED
Advanced Law Enforcement Rapid Response Training (ALERRT) Center. (2019). The Evolution of Active Shooter Response Training Protocols Since Columbine. Texas State University.
Advanced Law Enforcement Rapid Response Training (ALERRT) Center. (2022). Robb Elementary School Attack Response Assessment and Recommendations. Texas State University.
Federal Bureau of Investigation (FBI). (2014). A Study of Active Shooter Incidents in the United States Between 2000 and 2013. U.S. Department of Justice.
Martaindale, M. H., & Blair, J. P. (2019). The Evolution of Active Shooter Response Training Protocols Since Columbine: Lessons From the Advanced Law Enforcement Rapid Response Training Center. Journal of Contemporary Criminal Justice.
Texas State University. (2022). Texas State research explores first responders' use of force, reaction times, safety and stress.
U.S. Customs and Border Protection (CBP). (2024). Exhibit 03 - ALERRT After Action Report.
