Lockdown (or lock out) as an active shooter  response plan was designed to function extremely well under reasonable conditions; like a drill or a heightened security concern.  Tragically, lockdown fails to perform even reasonably well under the extreme condition of an actual active shooter type attack.

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Click below to learn the three core fallacies that help to promulgate the effectiveness of a lockdown/lock out as an active killer response plan and why a lockdown plan is no longer an active shooter best practice.

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