Meet The Owner

Javondlynn M. Dunagan is the founder and CEO of JMD Defense & Investigations, LLC located in Chicago, IL.   She is a retired US Probation Officer with a Master’s Degree in Social Work from the University of Chicago’s School of Social Service Administration.  She also holds a Bachelor’s of Social Work Degree from Hampton University.  Javondlynn is also a Certified Firearm’s Instructor and Range Safety Officer. 

The mission of JMD Defense & Investigations, LLC is to create a safe and nonjudgmental learning environment through small class sizes.  Our goal is to be recognized as a stellar defense business that provides exemplary customer service with a spirit of excellence and integrity.   

JMD Defense & Investigations, LLC is a certified Minority Owned Business Enterprise(MBE) and a Women Owned Business Enterprise (WBE) in the City of Chicago. 

Javondlynn Dunagan is guided by her commitment to offering services to customers and clients with an uncompromising level of integrity. 

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Our Instructor Credentials

NRA Certified Firearm Instructors

Federal Firearm Instructor

Defensive Tactics Instructor

Range Safety Officers

Self Defense Instructor

Ammo Reloader

Competitive Firearm Shooter

Holster Maker

Our Commitment



We offer a wholistic approach to personal safety and security with focus on self-empowerment through personalized training and education.


We provide training and education services for safe, responsible firearm ownership and strategies for personal security and self-defense.

Guiding Principle

Everything we do is guided by our commitment to deliver services with the highest level of integrity.

Customer Feedback


Course was very informative. The knowledge of our instructor was over and beyond what I expected. The patience during my shooting experience was very much appreciated. The instructor's ability to maintain his calm kept me calm. -A.T.


"The course was worth the extra money. It was almost like having one on one instruction". - V.T.


"The format of the course worked very well. Intimate class sizes allowed for questions and hands on exercises, which greatly enhanced the learning experience." - C.C.

"My expectations were exceeded in every way. The instructor explained every detail, and why it was necessary to follow certain steps, stand a certain way, and build your comfort level." - Anonymous

"Exceptional customer service, nice & friendly, clean environment, fun and informational. I highly recommend this course." - P.B.

"Every minute of the class was beneficial. I learned how to defend myself and also how to carry myself when I am on campus." - Anonymous


Find a class

Contact Us

Drop us a line!

Better yet, visit us in person!

We invite you to visit us during our normal business hours.

JMD Defense & Investigations, LLC

1447 West 103rd St, Chicago, Illinois 60643, United States

(773) 614-8747


Monday - Friday: 9am - 5pm

Saturday: By appointment

Sunday: Closed