Video / Visual Evidence Expert Witnesses: 8

Dr. John R. Black is a recognized expert with extensive experience in international, federal, and state courts on Lethal Force, Police Use of Force, Officer-Involved Shootings, and Civilian Self-Defense, blending forensic analysis with human-centered perspectives and systems thinking. Dr. Black employs a systems thinking approach that enables him to view incidents from multiple perspectives. He regularly speaks to Police leadership, investigators, lawyers, and organizations about how we think about the process of inquiry, our biases, and our sensemaking.

Litigation Support - Dr. Black is qualified as an expert witness in state and federal courts related to police practices, police use of force, decision-making, officer-involved shootings, police tactics, police training, incident command, and police / jail operations. He is also qualified with similar expertise for civilian self-defense and use of force events.

Expert in Use of Force & Lethal Force Incidents & Decision-Making

In cases involving force--lethal force, understanding decision-making is as critical as the facts themselves. Whether you are a defense attorney explaining your client’s actions or a prosecutor challenging them, you need an expert who integrates both events and decision-making processes. Dr. Black offers a unique approach, blending quantitative precision with qualitative insight into how individuals make sense of their world. he is a recognized expert with experience in international, federal, and state courts on lethal force, police use of force, officer-involved shootings, and civilian self-defense. He combines forensic analysis with human-centered perspectives, ensuring a balanced view that benefits both defense and prosecution.

Advanced Forensic Video and Qualitative Analysis

Video evidence often plays a pivotal role in determining the facts. Dr. Black is skilled in forensic video analysis, using Amped Five software to extract key details. What sets him apart is his ability to combine video analysis with qualitative thematic tools like Atlas.TI, understanding both what happened and how individuals interpreted their environment under stress.

Cognitive Interviewing and Human Performance Expertise

Dr. Black specializes in cognitive interviewing, exploring clients’ mindsets during critical moments leading up to the use of force. His approach bridges the quantitative analysis of human performance with qualitative insights into violent encounters, offering a comprehensive view of why actions were taken.

Military and Law Enforcement Expertise

With 30+ years in U.S. Army Special Forces and 23+ years in law enforcement, Dr. Black brings unmatched experience to each case. He provides practical insights grounded in real-world experience. His background ensures a comprehensive understanding of how policy, training, and decision-making intersect under pressure.

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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

SERVICES: Audio and video recording authentication, enhancement, transcription, and analysis, including body worn camera and security video recordings. Acoustic forensic analysis, including audibility of warning signals, speech - voice comparison, and gunshot - weapon recording analysis (e.g., Taser, ShotSpotter).  Audio technology and patent expert witness/consultant. Forensic musicology analysis. Forensic field recording and analysis per ANSI and recognized standards.

EXPERTISE: Consultation in over 800 audio-video and acoustic forensic cases since 1987. Expert testimony over eighty times, in U.S. Federal and State courts including the United States International Trade Commission (USITC), and courts in Canada and International arbitration panels (World Bank-ICSID).

DEGREES/MEMBERSHIPS: Ph.D. UC San Diego (Computer Audio) 1987; Fellow, Audio Engineering Society (AES); Member, Society of Forensic Engineers and Scientists (SFES), Acoustical Society of America (ASA).

Mr. Broyles represents 19 years experience in providing expert witness and forensic examination services combined with 32+ years experience in research, design & development of computer software and electronic products to include forensic lab equipment and forensic audio/video/image software.  This combination of experience gives invaluable insights into the forensic processes and application in each unique case or project.  Court Qualified.  Detail CV available on request.    

Areas of Expertise:

Specializing in Recorded Evidence Analysis, Enhancement and Restoration Services of Video, Audio, Image, Sound, Voice, Surveillance and Time Lapse Recordings; both digital and analog; through the use of custom and professional analysis systems.

Providing court qualified expert witness services to assist litigation support, public defenders, law enforcement, attorneys, government, and the general public.  Since 2004.  Local, nationwide and international.

Stated goal is to help you get the most from your recorded evidence.   Call now to get started.

Memberships, Affiliations and Training:

• Audio Engineering Society (AES)
• Institute of Electronics and Electrical Engineers (IEEE)
• Law Enforcement Video and Emergency Services Video Association (LEVA)
• New York Institute for Forensic Audio (NYIFA)
• International Association of Identification Rocky Mtn Division (RMDIAI)

George Reis is the president and owner of Imaging Forensics, Inc., and has been providing expert witness services and training in Forensic Image Analysis, Forensic Video Analysis, and Forensic and Technical Photography through Imaging Forensics since 2004. He is Certified in Forensic Photography and Imaging by the International Association for Identification, and is certified in Forensic Video Analysis by the Law Enforcement and Video Services Association (LEVA). He is a member of the editorial review board for the Journal of Forensic Identification.

Litigation Support -  Mr. Reis has testified more than 80 times in depositions and in Federal, State, Military Courts and Internal Court. He has provided training throughout the United States to individuals and agencies including the FBI, Secret Service, US Army Crime Lab; and internationally in England, Hong Kong, Singapore, Qatar, Canada, and Australia.

Mr. Reis worked from 1989 to 2004 at the Newport Beach Police Department in Southern California, as a forensic photographer, image analyst, crime scene investigator, and latent fingerprint examiner. He introduced digital imaging to that agency in 1992, making them one of the first law enforcement agencies in the world to utilize this technology.

• Image Analysis Services: 
  • Image and Video Analysis, Image and Video Authentication, Image and Video Enhancement, Comparative Analysis
• Forensic Photography:  
  • Items of Evidence, Close-up / Macro Photography, Exploded View Photography, Low Altitude Aerial Photography, Crime and Accident Scenes, Eyewitness Perspective, Reverse Projection / Reconstruction
• Training:
  • Over 1,000 police agencies have taken advantage of digital imaging training by Imaging Forensics — either through regional workshops or in-house training. Imaging Forensics offers regional workshops throughout the United States as well as in-house training to meet the needs of your agency.

Principle Forensics is a national Media Forensics Laboratory. They Recover, Authenticate, Enhance, and Analyze all types of recorded evidence, including Video, Audio, and Digital Images. Principle Forensics backs all their work with experienced, highly trained, expert testimony.

Nick Barreiro, BAC, AVFA, DIVRT, Chief Forensic Analyst, is a Certified Audio Video Forensic Analyst and an FBI-trained member of the Digital Imaging and Video Recovery Team. During his 15-year law enforcement career, he was a patrol sergeant, technology project manager, media forensics expert, detective, digital evidence specialist, and patrol officer. Prior to his career in law enforcement, Mr. Barreiro was an audio engineer and producer in California. He also worked for KBMB radio in Sacramento and has extensive experience and training in audio enhancement and analysis.

Litigation Support - Mr. Barreiro works with attorneys representing plaintiffs and defendants in civil or criminal matters in which Audio, Video, or Image Evidence plays a key role. He has tremendous technical knowledge and training, but also extensive experience on the witness stand.

Mr. Barreiro has enhanced and analyzed digital media from simple slip-and-fall cases and minor traffic accidents to complex investigations such as homicides and officer-involved shootings. He has testified 100s of times in criminal cases, civil cases, arbitration, and depositions. A highly trained and experienced forensic analyst, he provides technically detailed and precise results with expedited turnaround times.

Video, Audio, and Image Forensics

USAForensic is a boutique state-of-the-art forensics company with full-time labs in Phoenix, Arizona and Detroit, Michigan. Our booking office is on the east coast. This helps with an earlier start each day and with overseas cases.

Specializing in forensic Audio, Video, Cell Phones, Computers Photography & ”Cell Tower tracking” debunking.  USAForensic is court certified in Federal, US Military, US District, many State and county courts throughout the United States. International cases are not uncommon. Mr. Neumeister has worked in 23 countries over the past 40 years.

Clients range from the largest Law firms to private firms, large corporations, the Department of Defense, government agencies, advocacy groups, the DOJ to the innocence project.

Technology is flying past the court system. We’re here to work with attorneys to understand how to deal with digital or analog evidence, how to challenge it or how to get it admitted into evidence.

We prefer to work in the background assisting attorneys, even writing out Daubert 702 & 902 issues regarding other parties evidence submissions.

In a recent Federal Daubert hearing USAForensic worked with DOD JAG attorneys to get police cell tower tracking ruled inadmissible. The federal judge rule police cell tower tracking as “Garbage in, Garbage out”. 

Not a verifiable science, not peer reviewed, no scientific white-paper to support its use.

Over 600 cases in the past 3 years. From the very highest profile to simple straightforward forensic cell phone extractions or video and audio clarification for court use.

To us Data is Data & takes no side, but it has to be verifiable data.

Anthony Nelson's role as owner and seasoned Audio / Video Forensics Expert Code Forensics has allowed him to lead the firm in providing top-tier forensic analysis for digital evidence in audio and video. Committed to excellence and with a meticulous eye for detail, his work supports legal teams and private clients, ensuring integrity and precision in all forensic inquiries.

Expertise: Audio Forensics, Video Forensics, Audio Analysis, Video Analysis, Forensic Authentication, Noise Reduction, Audio Enhancement, Video Enhancement