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Insights, updates, and thought leadership on public safety training.

NCIER Glossary

Authoritative definitions for 5 terms used in active shooter response and emergency management.

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Articles

Mar 31, 2026 • 4 min read

Your Dispatch Center Is the Initial Intelligence Hub in a Hostile Event

During an active shooter or hostile event, your dispatch / 911 center is not a background support function. It is the in...

Articles

Mar 30, 2026 • 7 min read

When to Transition to Unified Command in an Active Shooter Incident

When should an active shooter incident move from a single incident commander to unified command? There is no magic time...

Webinars & Video Training

Mar 29, 2026 • 11 min read

When Does One Leader Become a Team? Understanding Unified Command in Active Shooter Response

This video addresses a question recently asked by a police chief who was drilling into the Active Shooter Incident Manag...

Dispatch & 911: The Missing Backbone in Active Shooter & Hostile Event Response

Webinars & Video Training

Mar 13, 2026 • 10 min read

Dispatch & 911: The Missing Backbone in Active Shooter & Hostile Event Response

For chiefs, 911 directors, and public safety leaders, there’s a critical piece of active shooter and hostile event readi...

Video What's New in Checklist v3.0 for Active Shooter Incident Management

Webinars & Video Training

Jul 30, 2019 • 30 min read

What’s New in the ASIM Checklist 3.0: Key Changes for Law Enforcement & Reunification

This video walks through the major updates in Version 3.0 of the Active Shooter Incident Management (ASIM) Checklist and...

Webinars & Video Training

Jul 30, 2019 • 10 min read

How to Use the ASIM Checklist: Radio Traffic Walkthrough Demo

This video is a step‑by‑step explainer of the Active Shooter Incident Management (ASIM) Checklist using real‑style radio...

Video of Airport Active Shooter Incident Management (ASIM Airport)

Webinars & Video Training

Feb 21, 2019 • 5 min read

Airport Active Shooter Incident Management: Simulation-Based Training

This video takes you inside specialized active shooter incident management training built specifically for airports. Usi...

Webinars & Video Training

Jan 23, 2018 • 3 min read

About the ASIM Advanced Course

This video takes you inside a three-day, simulation-based active shooter training where police, fire, EMS, and dispatch...

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NCIER Glossary

Your Dispatch Center Is the Initial Intelligence Hub in a Hostile Event

When to Transition to Unified Command in an Active Shooter Incident

When Does One Leader Become a Team? Understanding Unified Command in Active Shooter Response

Dispatch & 911: The Missing Backbone in Active Shooter & Hostile Event Response

What’s New in the ASIM Checklist 3.0: Key Changes for Law Enforcement & Reunification

How to Use the ASIM Checklist: Radio Traffic Walkthrough Demo

Airport Active Shooter Incident Management: Simulation-Based Training

About the ASIM Advanced Course

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