Tag Archives: NTOA
Active Shooter Expert Chris Grollnek M.S.
Author | Media Contributor | Public Speaker Retired Police Detective Corporal | USMC SNCO For over 31 years, active shooter expert Chris Grollnek M.S. has been immersed in the study and application of protective measures in the military, police, and … Continue reading
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Tagged Active Shooter Expert, certified interview and interrogation methods and tactics, cgpgmg, Chris Grollnek, chris grollnek marines, chrisgrollnek, Contact Chris Grollnek, Domestic Security Expert Chris Grollnek, National Tactical Police Officers Association, NTOA, police, police internal affairs investigator, Policy Review Expert, Staff Sergeant, Swat, swat competitions, TMPA, TTPOA, undercover narcotics, Work Place Violence Consultant
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