Tag Archives: Contact Chris Grollnek

Chris Grollnek Contact Information

Chris Grollnek Contact Information Chris Grollnek Contact Information: Chris Grollnek 11625 Custer Road Suite 110 Frisco, Texas 75035 Business e-mail: chris@chrisgrollnek.com Chris Grollnek retired from Countermeasure Consulting Group, LLC last year and just recently was told the contact information did not … Continue reading

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Active Shooter Security Expert Chris Grollnek M.S.

Author | Media Contributor | Public Speaker Retired Police Detective Corporal | USMC SNCO For over 31 years, active shooter security expert Chris Grollnek M.S. has been immersed in the study and application of protective measures in the military, police, … Continue reading

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