Ep 123: Who's Running Your Perimeter?

Where should the Perimeter Group Supervisor actually be in an active shooter response: standing a post on the perimeter, or inside the command post? In this episode of the Active Shooter Incident Management Podcast, Bill Godfrey is joined by Sheriff Kevin Beary and Assistant Chief Kevin Nichols to answer a listener question from a Canadian officer about the Perimeter Group Supervisor’s position and responsibilities as an incident grows. They cover: Why the answer depends on time into the incident and available resources When the Perimeter Group Supervisor may need to stand a perimeter post and run double duty early on Why, as staffing builds, moving that role into the command post reduces radio relays and miscommunication How to hand off the role from a line officer to a supervisor without disrupting inner and outer perimeters Managing crowds, parents, and large campuses when the outer perimeter expands Practical span‑of‑control cues that tell you it’s time to split inner/outer perimeter or add an aide Why perimeter is a critical problem‑solving role, not just where you send people who didn’t make the contact team If you’re assigning perimeter, running the command post, or training others on ASIM, this is a useful discussion for your next training, policy review, or tabletop. View this episode on YouTube at: Like what you hear? Drop a review and

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Ep 123: Who's Running Your Perimeter? is an episode from C3 Podcast: Active Shooter Incident Management by C3 Pathways.

This episode is 00:18:01 long.

This episode was published on Apr 27, 2026.

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