Tear Gas Expert Witnesses

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:

Gun Accidents Firearms Safety Gun Handling Procedures Gun Storage Firearms Design Operability Trajectories Velocities Ballistics Ejection Patterns - Ricochets Proximity Testing Gunshot Evidence

Bullet Wounds Reconstruction of Shooting Scenes Bullet Penetration Shooting Range Safety Hunting Accidents Holsters and other Shooting Products Self Defense Knives and other Weapons Involuntary Muscular Contraction and Accidental Discharge Police and Security Firearms Training Tactics and Procedures Use of Force

View Emanuel Kapelsohn's Consulting Profile.

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. Mr. 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 - Mr. 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:

Police Standards & Practices Use of Force & Deadly Force Electronic Control Devices Standards of Conduct High Speed Vehicle Pursuits & Chases Law Enforcement Policies and Procedures

Failure to Train Law Enforcement Malpractice Failure to Supervise Violations of §1983 Civil Rights Personnel Selection & Retention Police K-9

View Roy Taylor's Consulting Profile.

Capt. Kenneth M. Sanders has over 30 years of experience in the field of Law Enforcement. The last 15 years, Capt. Sanders served as the Director of one of the largest Police Academies in Louisiana, training approximately 10,000 people per year. Upon retirement, he was the Senior Master Instructor for the state, and responsible for all curriculum development and all instructor development for the entire state.

Internal Auditor / Assessor / Consultant: At the request of law enforcement agencies, jails, and prisons, Capt. Sanders conducts internal assessments for compliance with applicable law, policy, and standards. He also writes and edits new lesson plans, revises existing lesson plans, and works within state agencies as the final editor of legal training for law enforcement academies and officers.

Litigation Support - A Subject Matter Expert, Capt. Sanders has provided expert witness services to private law firms, law firms retained by law enforcement agencies and officers, the FBI, the US Attorney, and the Department of Justice. Representing both plaintiff and defendant, he has been used for Grand Jury Investigations, written opinions, oral opinions, and courtroom testimony. 

Capt. Sanders has been retained in US District Court for cases related to Traditional Law Enforcement, Jails, and Correctional Facilities. Areas of Expertise:

Use of Force Deliberate Indifference Wrongful Death

Law Enforcement Procedures Jail and Correctional Procedures Law Enforcement Training

Harry C. McCann, MPA, is recognized as an expert in Policy, Procedure, and Training by the Federal Courts in the Eastern District of Pennsylvania, the Northern District of Georgia, the Court of Common Pleas in Pennsylvania and has provided consultation, expert testimony or reports to law firms, police departments, correctional institutions, and municipalities throughout Pennsylvania, New Jersey, Maine, Maryland, Georgia, Indiana, Kentucky, Arizona and Delaware in the areas of the use of force, in custody death claims, special response teams, arrest procedures, Tasers, training, PREA, classification and legal issues. Background Experience - Throughout his law enforcement career, Mr. McCann has been responsible for the writing and implementation of policy and procedure relating to the Use of Force, Emergency Procedures, Prison Rape Elimination Act, Special Response Team protocols, Staff Training, Patrol Procedures, and Legal Issues. As the prior Director of Law Enforcement / Police Training in Bucks County (PA), the fourth largest county in Pennsylvania, he has been responsible for developing, coordinating, and implementation training programs to approximately 800 police officers representing 42 police departments. Litigation Support - With 37 years of law enforcement expertise in the federal, state and county level, Harry McCann offers a unique perspective of knowledge and expertise in all facets of training, policy, procedure, and case review. Mr. McCann has continually demonstrated his ability to evaluate the issues and present himself in a clear, concise, thorough, and professional manner. His preparation has been acknowledged among his peers and has been honed by 35 years of college teaching and staff development instruction. He offers guidance and expert reports in matters dealing with:

• Correctional / Police Practices and Procedures
• Police, Correctional, Court Document Interpretation
• Use of Force
• Training Issues and Standards
• DUI Checkpoint Operations
• Wrongful Imprisonment and False Arrest
• Emergency Procedures
• PREA
• Correctional classification
• Police/Correctional Standards

Dr. Philip Hayden, EdD, retired Supervisory Special Agent of the FBI, has been certified as an Expert Witness, in both State and Federal courts, in the areas of Use of Force, Law Enforcement Tactics and Training, and Mental Mindset during high-risk situations. Dr. Hayden's background and level of expertise are unlike anyone else's in the Police Use of Force / Special Tactics Expert Witness arena. As a Special Agent for the Federal Bureau of Investigation in multiple major metropolitan areas, he has participated in several hundred arrests of violent criminals.

As a Supervisory Special Agent for the FBI Academy for more than 15 years, Dr. Hayden designed, developed, and implemented the Law Enforcement Training for Safety and Survival Sub-Unit program. As a tactical instructor he has written dozens of articles and instruction manuals for the FBI, such as the implementation of the FBI Deadly Force Policy for Federal Violent Crimes Task Forces, How to Conduct High-Risk Arrests, and Safe Apprehension of Dangerous Criminals.

Dr. Hayden has testified as an Expert Witness and has been deposed in both criminal and civil cases. He has consulted on cases with the following:

• U.S. Attorney’s Offices in New York City, NY; District of New Jersey; Washington, DC; El Paso, TX; Portland, OR; Alexandria, VA; Eastern District of Pennsylvania
• State Attorney’s Offices for the cities of Lafayette, LA; Miami–Dade and Sarasota, FL; Wilmington, DE
• County Attorney’s Office for Prince Georges County, MD; City Attorney’s Office for Trumbull, CT
• Defense and Plaintiff Attorneys in Richmond, VA; Washington, DC; Baltimore, MD; Las Vegas, NV; Denver, CO; Kansas City, KS; Pasadena, TX; Birmingham, AL; Minneapolis, MN; Virginia Beach, VA; Lynchburg, VA; Virgin Islands
• Swedish Defense Ministry in Stockholm, Sweden

Dr. Hayden has been certified by the FBI as an instructor in Tactical Concepts for:

Police Use of Force Law Enforcement Tactics Police Tactical Training Special Weapons and Tactics (SWAT)

High Risk Arrests Use of Electronic Control Devices Tactical Rappelling Helicopter Tactical Operations

Military Awards & Honors - Purple Heart, Vietnamese Cross of Gallantry, Conspicuous Service Cross, Army Commendation for Valor, Bronze Star for Valor, Distinguished Service Cross

View Consulting Profile.

Richard J. Brzeczek, Attorney at Law, Chicago Police Department Superintendent (Retired) has over 45 years of experience in the criminal justice system. He is a noted Expert and Consultant in the area of Police Policy and Procedure.

Background - Mr. Brzeczek has 19 years of experience as a police officer and police official, and over 25 years of experience as a criminal defense attorney. From 1973-1980, he served as General Counsel for the Chicago Police Department. Prior to that, Mr. Brzeczek was a partner at Levy & Erens, a commercial litigation, bankruptcy, and commercial real estate firm. He has 28 years experience teaching law enforcement seminars on the subjects of police misconduct, internal affairs procedures / investigations, and use of deadly and non-deadly force. This includes several years teaching at the FBI Academy (FBI National Academy and FBI National Executive Institute).

Attorney Services - Mr. Brzeczek is currently in the private practice of law concentrating primarily on Federal and State Criminal Defense with experience in civil litigation and administrative hearings. He argues cases on appeal at the Federal and State levels.

Litigation Support Richard J. Brzeczek has almost 30 years of experience as an opinion/expert witness. He has provided his expertise in a Wrongful Conviction Litigation which resulted in a multi-million dollar award for plaintiff. He also served as an expert witness involving Proper Police Procedures regarding the handling of a suicide threat and traffic safety.

Areas of Expertise:

• Police Administration & Procedures - Policy Development, Review, and Implementation
• Police Misconduct Issues - Improper Procedures, Wanton and Willful Conduct and Wrongful Convictions
• Internal Affairs Issues - Examining Competency of Investigations