Chris Grollnek 🇺🇸
Active Shooter Expert
Chris Grollnek 🇺🇸
Active Shooter Expert
ASPP PRO Model
Prevention | Response | Options
DOJ Training Session
Chris Grollnek and Chuck Savickis
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"A new model for active shooter prevention" with Chris Grollnek
BBC Interviews Active Shooter Expert Chris Grollnek
CNN Newsroom Active Shooter Expert Chris Grollnek Interview