By Gregory M. Vecchi, Ph.D. Director of Training, SafeDefend LLC | Retired FBI Supervisory Special Agent and Chief of the FBI Behavioral Science Unit.
April 24, 2026
On April 7, 2025, Kirk Moore — a 35-year educator and principal of Pauls Valley High School in rural Oklahoma — did something that most people, even trained professionals, struggle to do in the worst moments of their lives: he decided and acted on it immediately.
A 20-year-old former student, armed with two firearms and intent on carrying out a Columbine-inspired massacre, entered the school lobby and opened fire. Rather than freeze, retreat, or wait for law enforcement, Moore charged out of a nearby doorway, tackled the gunman face-to-face, pinned him to a bench, and disarmed him — even after being shot in the leg. No other students or staff were injured.
The police chief’s assessment was unambiguous: Moore saved kids’ lives.
As a behavioral scientist and former FBI Supervisory Special Agent who has spent decades studying violence, threat assessment, and crisis response, I can tell you this: Kirk Moore’s actions were not lucky. They were the product of something far more powerful and far more trainable than physical strength or courage alone. They were the product of decisiveness.
The Paralysis Problem
Every serious study of human behavior in violent critical incidents confirms the same phenomenon: the single greatest killer in an active shooter event is not the weapon — it is hesitation, which results from a lack of effective training.
The brain under acute stress defaults to what researchers call behavioral inhibition — a freezing response rooted in our evolutionary threat-detection circuitry. When the unthinkable happens, the mind searches desperately for a script, a protocol, a familiar pattern to follow. When none is found, people freeze. They wait. They look to others for cues. And in an active shooter scenario, waiting is a death sentence.
This is not a weakness. It is biology. But biology can be overcome — and it is overcome through pre-commitment: deciding in advance what you will do before the event occurs, so that when it does, your brain does not have to decide. It must only execute the training.
What Decisiveness Actually Looks Like
In behavioral science terms, what Kirk Moore demonstrated was a textbook example of what I call proactive behavioral response — a conditioned willingness to commit to action despite ambiguity, danger, and incomplete information.
When Hawkins entered the school lobby and fired his weapon at a student, Moore did not wait for certainty. He did not wait for backup. He did not conduct a risk-benefit analysis. He observed, oriented, decided, and acted — in fractions of a second.
Several behavioral elements made this possible:
1. Prior mental scripting. Moore, as an educator of 35 years and a school administrator, had almost certainly thought about what he would do if this moment ever came. Mental rehearsal — even informal, unstructured rehearsal — pre-programs the brain to act rather than freeze. When the script matched reality, he had no decision to make. The decision had already been made.
2. Situational ownership. Moore understood that this was his school, his students, and his responsibility. That sense of ownership generates what psychologists call personal agency — the belief that your actions can affect the outcome. People who feel agency simply act. People who feel helpless just watch.
3. Commitment through movement. The moment Moore charged, he crossed a psychological threshold. He had committed. There was no turning back. The brain responds to commitment by suppressing the inhibitory signals that cause hesitation. Movement generates momentum — physical and psychological.
4. Target focus over threat focus. Untrained individuals under fire fixate on the weapon — the gun, the barrel, the immediate source of danger. Trained individuals shift their focus to the target goal—in Moore’s case, the human body to be controlled. That cognitive reframe was the difference between paralysis and action.
The Behavioral Threat Assessment Lens
From a behavioral threat assessment perspective, what happened at Pauls Valley also illustrates something critical about the pathway to violence: late-stage interdiction is possible, but it requires someone willing to act.
The Pauls Valley attacker, Victor Lee Hawkins, followed a well-documented pathway — grievance, ideation, research (Columbine), planning, preparation, and attack. He communicated his dislike of Moore. He acquired weapons. He arrived with lethal intent. Every step of that pathway represented an opportunity for intervention that, for various reasons, was not taken — until Moore took one.
This is why we consistently emphasize at SafeDefend that behavioral awareness is not just for threat assessment professionals. It is for everyone. The person most likely to interdict a threat is rarely law enforcement — it is the teacher, the administrator, the custodian, the student who happens to be standing in the right place at the right moment.
That person’s response time is not measured in minutes. It is measured in fractions of a second. And fractions of a second are shaped entirely by prior decision-making.
Escape (Run), Evade (Hide), and Engage (Fight), and the Missing Ingredient
Most schools and organizations train using the Escape-Evade-Engage framework, which is a solid foundation. When you can escape, get out — distance yourself from the threat by any means available. When you cannot escape, evade — deny the attacker’s access, reduce your visibility, and buy time. When escape and evasion are no longer options, engage — commit fully and fight to survive. The framework is sound. But the framework alone is insufficient.
What the framework does not teach — and what Kirk Moore had — is the pre-commitment to act that transforms a cognitive framework into an instinctive behavior. Knowing the framework and being prepared to execute it under fire are not the same thing.
This gap is what SafeDefend’s training approach is built to close. We train not only on best practices but also on the importance of visualization, mental scripting, situational awareness, commitment, and target-focused practice. We reinforce this by providing laminated emergency response checklists, which are not just informational tools — they are behavioral anchors. They externalize preparation so that the brain is not forced to construct a response from scratch under conditions of maximum stress. They say, in effect, you already decided. Now execute.
Kirk Moore had his own version of that laminate card — built across 35 years of professional identity, institutional loyalty, and quiet mental rehearsal. His students even voted for him as prom king two weeks later. They knew what had been done on their behalf.
What We Should Take Away
The lesson of Pauls Valley High School is not that every principal should tackle armed gunmen. The lesson is far more transferable: decisiveness is a trainable skill. It is not reserved for law enforcement, military personnel, or people of unusual physical courage. It is available to anyone willing to engage in pre-commitment: thinking through scenarios in advance, identifying your role and responsibility, and making the decision before the crisis forces it upon you.
The students of Pauls Valley walked away because one man had already made his decision before the gun fired.
Let us help you make yours now.Gregory M. Vecchi, Ph.D., is the Director of Training at SafeDefend, a retired FBI Supervisory Special Agent and Unit Chief of the Behavioral Science Unit, expert witness, and author. He can be reached at greg.vecchi@safedefend.com