John Czerwinski

John Czerwinski is a retired 27-year veteran of law enforcement, serving in both major city and semi-rural jurisdictions. He has held various positions, including Special Assignments Officer, Field Training Officer, SWAT Team Member, Team Leader, and Assistant Commander. John was the lead firearms instructor for his department for over 15 years and has extensive experience in firearms training and tactics. He is a respected expert in his field and has taught at various law enforcement academies.