Tag Archives: LLC

Embracing Technology for Safety of Students

Embracing Technology for Safety of Students As one of the nation’s leading active shooter experts and the prevention and recovery of same, Chris Grollnek spends the majority of his time researching best practices. Embracing Technology for Safety of Students is an article that … Continue reading

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About Active Shooter Prevention Expert Chris Grollnek

About Active Shooter Prevention Expert Chris Grollnek  Chris Grollnek is a retired McKinney, Texas, police officer and a former member of the United States Marine Corps. During his career as a police officer, Chris Grollnek served on the departments Tactical … Continue reading

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