Active Attacker Events: What You Need to Know

When people hear the phrase active shooter, they often think of firearms. But modern attacks aren’t always carried out with guns. they can involve vehicles, knives, or other means. That’s why the broader term Active Attacker is now used.

According to the U.S. Department of Homeland Security, an active attack is when an individual attempts to kill people in a populated area, often with no clear victim selection. These events have occurred in businesses, schools, churches, hospitals, outdoor spaces, and community settings.

What We Know About Attackers

  • There is no set profile, attackers range in age, background, and appearance.

  • The most common motivation is an “avenger mindset”: a person who feels wronged and plans revenge.

  • Many attackers broadcast their intentions on social media or through statements before acting.

While certain risk factors exist, such as a history of violence, substance abuse, or isolation. Most people with these traits will never become attackers. What matters is recognizing concerning behaviors like threats, weapons purchases, or detailed planning.

Response Matters Most

Two key factors determine the number of casualties:

  1. How quickly police arrive (on average ~3 minutes).

  2. Target availability—the more accessible victims are, the higher the toll.

This is why civilian actions in the first few minutes are critical.

The Psychology of Survival

In a crisis, people typically move through three stages:

  • Denial – Struggling to believe what’s happening.

  • Deliberation – Deciding what to do, often with reduced ability to think under stress.

  • Decisive Moment – Taking action, even if imperfect.

Training and preparation shorten the Denial phase and give people a plan to follow.

The Civilian Response Model: Avoid, Deny, Defend

  • Avoid/Run – Get away immediately if possible.

  • Deny/Hide – Lock or barricade doors, stay quiet, and reduce visibility.

  • Defend/Fight – As a last resort, fight with determination, using numbers and improvised tools.

Aftermath and Resilience

Survivors often face lasting trauma, making recovery and resilience planning essential. Just as important, we must avoid naming attackers. Giving them notoriety only fuels future copycats. Instead, we honor the victims and heroes who took action to save others.

Free Seminar – Offered by Fidelis Runa Solutions (FRS)

Fidelis Runa Solutions provides a free 1-hour Active Attacker Awareness Seminar to prepare individuals, businesses, and communities for these types of events.

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