Firearms Expert Witnesses: 6

Emanuel Kapelsohn is an internationally recognized Firearms Training and Use of Force consultant who has instructed thousands of police and security officers, federal agents and others throughout the U.S. and abroad since 1980. A graduate of Yale University and Harvard Law School, he is a practicing attorney in addition to his consulting work. 

As vice president of the Internat’l Assoc. of Law Enforcement Firearms Instructors, Mr. Kapelsohn is a certified in force science and shooting scene reconstruction, and as an instructor in numerous law enforcement disciplines. He is a featured presenter at national and international instructor conferences. He has authored over 130 published articles, is Associate Editor of "Standards & Practices Guide for Law Enforcement Firearms Instructors," and principal author of "Firearms Training Standards for Law Enforcement Personnel," and "Guidelines for Simulation Training Safety." 

Mr. Kapelsohn testifies as an expert witness in civil and criminal cases in state and federal courts nationwide, and has testified by invitation before both houses of Congress. 

Testimony on the Following Subjects:

View Emanuel Kapelsohn's Consulting Profile.

Dr. Roy G. Taylor is a current Chief of Police with over 40 years of experience in a wide-range of federal, state, local, and private criminal justice positions. Dr. Taylor specializes as an expert witness in Police Practices and Procedures and Law Enforcement and Criminal Justice. Current Positions:

• Chief of Police Blue Ridge Public Safety (2014)
• President/CEO Signal 88 Security of Charlotte (2012)
• President/CEO Capitol Special Patrol (2012)
• Chief of Police Capitol Special Police (2002)
• Lt. Colonel – Provost Marshal, Army National Guard (2000)
• Antiterrorism / Emergency Management Branch Chief DoD (2007)
• Provost Marshal Joint Civil Support Task Force, Joint Chiefs of Staff (2014)

Litigation Support - Dr. Taylor is called upon to analyze cases from both defense and plaintiff perspectives. His services include case review, written reports, deposition, and trial testimony as needed. 

Areas of Expertise:

View Roy Taylor's Consulting Profile.

My name is David T. Sweeney.  I am a Police Policy and Procedure expert and a retired 34-year veteran police leader with Seattle Police and Oregon State University PD.  I have decades of experience supervising a large number of police officers and supervisors. I am currently employed as adjunct faculty in the School of Police Staff and Command at Northwestern University. I enjoy assisting with expert reviews of policing best practices for a variety of legal standards for police departments. As an expert witness, I have been pleased to work with both plaintiff and defense attorneys. I will give you an honest assessment of your case, so that I can provide the best reports and helpful testimony. I have experience with 41 total cases: 16 defense cases and 25 plaintiff cases.

Litigation Support - My goal is to improve best practices in policing by offering expert witness and police consultation services. I am also a trained mediator specializing in workplace conflicts. I provide honest, unbiased opinions. I will be happy to review and discuss your case. I will point out strengths and weaknesses of the case, and we can work on next steps, whether it be further case review, expert report, deposition, or trial testimony. I have spent 21 years as a sergeant and lieutenant, responsible for training and reviewing topics such as police pursuits, use of force, police tactics, de-escalation, police supervision, less lethal weapons, active shooter, SWAT, crowd control, legal standards, EEO, Human Resources, U.S. 1983 cases, and more.

 Areas of Expertise:

View David T. Sweeney's Consulting Profile.

Dean A. Beers, CLI, CFDI-Expert, has been a legal investigator since October 1987 and a Medicolegal Death Investigator since 2002. His extensive experience in these areas is rare in the profession. Dean's clients benefit from a thorough methodology of reviewing official investigations conducted by law enforcement and coroner/medical examiner offices. This approach includes analyzing reports, records, and photographs to form detailed findings and opinions. 

As a deputy coroner investigator, Dean has personally investigated over 150 death scenes, assisted in over 400 autopsies, and participated in investigating nearly 600 non-autopsied cases.

Primary Areas of Expertise:

Background Experience - From late 2002 to mid-2008, Dean worked as a deputy coroner and autopsy assistant in Colorado medical examiner offices, following an internship and training period. Since 2008, he has partnered with his wife, Karen, specializing in expert medicolegal consultations and legal investigations across the United States. Their focus is on personal injury, negligence, and death cases in civil, criminal, and probate litigation. Over the years, he has provided favorable expert consultations to public defenders and alternate defense attorneys, helping secure positive life insurance benefit appeals. His expert testimony has been recognized in multiple courts covering fatal and non-fatal events.

Death and Serious Bodily Injury Investigations

Dean's work has also included handling more than 1,100 cases that were not taken for jurisdiction, as well as cases requiring the collaboration of multiple investigators. Additionally, Dean's expertise covers forensic investigations, such as bridging crime scene evidence with autopsy findings.

Dean's background includes over 5,000 hours of full-time experience specific to death investigations, injuries, and negligence, not counting internships or part-time work. He has also received over 600 hours of law enforcement academy training and 1,200 hours of forensic investigative training. Since 2008, Dean has continued to enhance his skills and education beyond certification requirements, co-developing the Certified Forensic Death Investigator (CFDI) program with his wife.

Chief Chet Epperson (Ret.), MBA, has over 42 years of experience as a Law Enforcement / Police Professional for the Rockford Police Department in Rockford, Illinois. Chief Epperson spent 33 years as an active law enforcement officer and 10 of those years as Chief of Police. 

Chief Epperson maintains practical experience as a municipal police chief, implementing several police reforms in his police agency along with accountability processes. He was instrumental in reforming the Rockford Police Department by enhancing its relationship with the community and providing internal and external transparency. Chief Epperson assisted in the formulation of a multi-jurisdictional task force to investigate officer-involved police shootings, in-custody police deaths, and serious uses of force.

Litigation Support - Since 2016, Chief Epperson has been serving as a Police Practices consultant, providing court-appointed expertise in police agency Federal District Court Consent Decrees. He is an expert in applying Constitutional Standards, State Law, policy, and practice to police incidents. Having Instructed courses on police use of force, internal affairs, and discipline, Chief Epperson is qualified to opine on cases of this nature for both plaintiffs and defendants. His police and jail litigation services include thorough reporting, deposition, and trial testimony as needed.

Areas of Expertise:

View AGR Police Practice Group's Consulting Profile.

Dennis Fivecoat has over 25 years of Use of Force and Firearm experience in the Military (20 years, retired) and private sector including significant training in the area of Civilian Law Enforcement.  He has attended numerous firearm and use of force related training courses including instructor development with local and federal law enforcement agencies, tactical firearm, close quarters battle, concealed carry, force-on-force training, use-of-force, and legal updates.

Litigation Support - As an instructor-trainer (Master Instructor) in firearms and less lethal devices (pepper spray, expandable baton, defensive tactics, handcuffing), Mr. Fivecoat has a practical and academic basis in the use of deadly and less-lethal use of force by civilians.  His experience teaching firearm use, defensive tactics, and use-of-force allow him to provide opinion on not only proper use of the tool or tactic utilized, but whether the actions were reasonable under the circumstances of the incident.

Mr. Fivecoat provides consultation and testimony on the reasonable use of force, self-defense, and defense of others. Private citizens may become involved in situations (shootings, brandishing, threats with weapons, excessive force, false arrest, false imprisonment) where the reasonableness and legality of their actions are challenged. Review of actions taken, firearm use, and the education of the expert provide the foundation for determining the reasonableness of each parties’ actions. Mr. Fivecoat will review the incident and opine based on local law, training standards, and the reasonableness of the use of force under the circumstances and conditions of the incident. 

Areas of Expertise:

Background - Dennis Fivecoat is a retired US Army physician assistant with a wide variety of functional background and experience. He has seen service in eight different countries encompassing desert, jungle, snow, and maritime missions. His past responsibilities range from combat in SW Asia to hospital duties as an ICU nurse in South Carolina. He has responded during national hurricane relief efforts and somewhat smaller Defense Support to Civil Authority (DSCA) missions. Click for Full Biography.

View Dennis Fivecoat's Consulting Profile.