Dennis Root Expert Consultant
Discover unparalleled expertise in the use of force by law enforcement and for self-defense, backed by national recognition and proven courtroom experience.
Your Trusted Expert Consultant
Enhance Your Case Today!
Engage with a seasoned professional to strengthen your legal strategy.
Professional Services Offered
Expert Witness
Dennis provides expert witness services for cases involving the use of force by law enforcement and for self-defense. From analyzing the information required to making these life-changing decisions to following proper procedures for investigating force-related incidents, Dennis has the decades of experience you need.
Consulting
Dennis offers expert reviews on all facets of the use of force, including the implementation of force options, policy development, and training. He offers insights into best practices for investigating force incidents and delivers comprehensive recommendations to help your firm or organization enhance your performance and efficiency.
Training
Dennis provides interactive workshops and training programs through Force Concepts Training & Consulting. These comprehensive programs are designed to teach participants about force-related concepts before, during, and after a real-life event. Investigative programs prepare professional investigators to thoroughly examine these life-changing encounters.

Meet Dennis Root
Dennis Root is a renowned expert in the use of force by law enforcement and for personal safety. He is known for his insightful analysis and testimony in high-profile cases. With a career spanning decades, Dennis has established himself as a trusted authority in the field of force and professional investigations related to force issues. His expertise has been sought by national media outlets, and his work has helped shape the understanding of self-defense laws across the country. Dennis’ commitment to justice and personal safety is evident in his comprehensive training programs and consulting services, which aim to empower individuals and organizations alike.
What Clients Are Saying!
Industry Accolades
Since 2014
Board Accredited Investigator
The BAI credential is a product of Intellenet to demonstrate the vast knowledge and experience of Intellenet BAI members in investigative matters.
Since 2018
Board Certified Criminal Defense Investigator
The BCCDI credential is a product of the Criminal Defense Investigation Training Council, established to set standards for professional training, knowledge, and conduct.
Since 2020
Board Certified Force Investigator
The BCFI credential is a product of the FCTC. Created by Dennis Root to recognize professional investigators who have demonstrated an exceptional level of knowledge and investigative skill in force-related matters.
Since 2017
Certified Force Analyst
The CFA certification is a product of the Force Science Institute. and is earned by those who demonstrate their understanding of human factor dynamics while investigating force-related cases.
Upcoming Engagements

Advanced Use of Force Workshop
Join Dennis Root for an in-depth workshop on the latest techniques and legal considerations in the use of force by law enforcement.
July 30, 2025
$99.00
Personal Safety Seminar
Learn essential personal safety strategies and self-defense techniques in this interactive seminar led by Dennis Root.
July 31, 2025
FREE

Force Investigations - Online
This self-paced online training program will equip you with the knowledge and skills needed to handle every aspect of a force-related investigation with precision.
Open Enrollment
$199.00

Crime Prevention Strategies Workshop
Explore effective crime prevention strategies and community engagement techniques in this comprehensive workshop.
Date To Be Announced
FREE
Connect with Dennis Root for Expert Guidance
Take the next step in securing expert insights and training. Reach out to Dennis Root today to arrange a consultation or to book a comprehensive training session. Benefit from his extensive experience and nationally recognized expertise in law enforcement and personal safety. Your path to informed decision-making and enhanced safety starts here.