Meet The Owner


Javondlynn M. Dunagan is the founder and CEO of JMD Defense & Investigations, LLC located in Chicago, IL.  She retired as a US Probation Officer in January 2016 after a distinguished 25 year career.   She also worked as a Disciplinarian in a high school in Chicago, IL. She holds 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 a Certified Firearm’s Instructor and Range Safety Officer.  She is a Distinguished Expert Shooter with the NRA Marksmanship Program.  She trains businesses on workplace safety and emergency operations procedures. 

The mission of JMD Defense & Investigations, LLC is to empower our clientele to take responsibility for developing an ongoing proactive safety plan.  Our goal is to be recognized as a stellar defense business that provides exemplary customer service with a spirit of excellence and integrity. 

Javondlynn Dunagan is guided by her commitment to offering services to customers and clients with an uncompromising level of integrity.  She is considered a trailblazer in the firearm community and safety industry.  She has received several awards for empowering women in the area of safety education and responsible firearm ownership.  Her work has also been highlighted in radio and print media interviews.  

Check Out JMD in the News & Media

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


Our Instructor Credentials

NRA Certified Firearm Instructors

NRA Marksman - Distinguished Expert  Shooters

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



Contact Us

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JMD Defense & Investigations, LLC

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

(773) 614-8747 (office) (773) 217-0488 (mobile)


Monday - Friday: 9am - 5pm Saturday: By appointment Sunday: Closed