Demonstrative Evidence / Trial Presentations Expert Witnesses: 21

4CA Consulting & Reconstruction is a General Accident Reconstruction Company, providing Expert Services in the field of Accident Reconstruction, including:

• A complete an unbiased accident investigation, using the latest investigative means such as Crash Data Retrieval & Analysis.
• Crash Scene Analysis and Documentation: Vehicles, light trucks, motorcycles.
• Seat Belts and Child Safety-Seats usage analysis
• Occupant injury kinematics, speed determination, time - distance, drag factor with use of Vericom Vehicle Computer System.
• Traffic Studies.
• Crash Animation / Simulation, Map scenes, Crash Zone, CAD.

About Kevin Forcier: ACTAR Certified Reconstructionist: #2054. Retired from the Pennsylvania State Police in April of 2010 after 25 years of service. Accident Reconstructionist since 1990, last four years as a full time Crash Analysis and Reconstruction Specialist responsible for the coverage of 3300 square miles of Northwestern Pennsylvania. Qualified Expert Witness in the field of Crash Reconstruction and related services.

Handwriting Identification and Discrimination

Signature Comparison

Techniques for Distinguishing Forged Signatures

Disguised Handwriting

Altered Numbers

Anonymous Writing

Factors that Affect Writing

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.

View Aragon National, Inc.'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.

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).

Katherine Mainolfi Koppenhaver, a Board Certified Document Examiner, has been a document examiner for the past 40 years and has testified in court and deposition over 550 times. She has an international clientele. Her book, "Attorney's Guide to Document Examination," was published by Greenwood Press in 2002. Humana Press has recently released her latest book, Forensic Document Examination, Principles and Practice. She has a  support staff enabling her to handle cases in a timely manner.

Contact Forensic Document Examiners for:

• Examination of Questioned Documents
• List of 101 Places to Look for Handwriting Specimens
• Request Writing Forms and Instructions
• List of Publications
• Fee Agreement Contract
• Fee Schedule
• References

Global Forensic Services, LLC (GFS) is a Forensic Consulting, Laboratory and Investigative Firm offering over 44 years of experience and training in a wide range of forensic science and private investigation disciplines.

Larry Stewart has personally examined tens of thousands of individual items of evidence from sources such as state, local, and federal agencies (e.g. Federal Bureau of Investigation, Secret Service, Bureau of Alcohol, Tobacco and Firearms, Central Intelligence Agency, and others), and foreign governments. On several occasions he has examined cases involving international disputes between governments. 

Mr. Stewart has testified as an Expert Witness in state, federal and military courts of law, as well as in foreign court systems to include; Austria, Australia, Canada, Germany, Sri Lanka and Thailand. He has also testified at The Hague in the Netherlands and three times as an expert before the U.S. Congress. 

Areas of Expertise Include:

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.

Laurie Hoeltzel, PhDc, a Forensic Document Examiner, has studied handwriting examination and apprenticed under some of the leading court-qualified Forensic Document Experts in the United States. She spent 11 years serving her country in the United States Air Force, including three tours of duty in Iraq, while obtaining a Bachelors degree and Document Examination Certificates. Laurie Hoeltzel has been 100% court-qualified and her testimony has always been allowed.

Litigation Support - Ms. Hoeltzel has reviewed numerous signatures and handwritings, examined case documents, and rendered an opinion on cases in AZ, AL, CA, CO, DE, FL, GA, IN, IA, IL, KS, KY, LA, MI, MD, MO, NV, NJ, NM, NY, NC, NY, ND, OH, OK, OR, PA, SC, TN, TX, UT, VT, VA, WV, WI, WA, Washington D.C.; Montreal & Quebec Canada; Freeport & Nassau, Bahamas. She is court-qualified and attorney-recommended. With over 20 years of experience, she is available for depositions and court testimony when necessary, Ms. Hoeltzel offers her expertise to counsel for both plaintiff and defendant NATIONWIDE!

Areas of Specific Training:

• Handwriting Identification
• Signature Comparison
• Distinguishing Forged Signatures Techniques
• Disguised Handwriting
• Altered Numbers
• Anonymous Writing
• Factors that Affect Writing

Disputed Documents or Signatures Analysis on: Wills, checks, contracts, deeds, account ledgers, mortgages, loans, notary disputes, and medical records. Investigation and Analysis for: Questioned signatures, suspect documents, forgeries, identity theft, robo-signing, anonymous letters, bond authentication, alterations, obliterations, erasures, typewritten documents, altered medical records, graffiti, handwritten numbers, suicide notes, and computerized and handwritten documents.

Florida Office:
Andrew Avalon, PE, PSP
Chairman & CEO
8633 Willow Kane Court
Orlando, FL 32835
aavalon@long-intl.com
T: (407) 445-0825     F: (407) 650-3399

Long International provides expert engineering and construction claims analysis, expert testimony, project management consulting, and insurance claims analysis services. We focus on projects in the following industries: building and construction; gas, gasification, GTL, LNG, and NGL; industrial and manufacturing; mineral and mineral processing; offshore oil and gas; oil sands; pipelines and utilities; power; refineries, petrochemical, and chemical; transportation; and water, wastewater, dams, and marine. We analyze claims, not limited to, disputed change orders, schedule delay, acceleration, time extensions, liquidated damages, loss of productivity, defective specifications, and deficient project management performance.

Richard J. Long, P.E., P.Eng., Founder of Long International, has over 50 years of U.S. and international consulting experience involving construction contract disputes analysis and resolution, arbitration/litigation support and expert testimony, project management, engineering/construction management, cost and schedule control, and process engineering. As an internationally recognized expert in the analysis and resolution of complex construction disputes for over 35 years, Mr. Long has served as the lead expert on over 300 projects having claims ranging in size from US$100,000 to over US$2 billion. He has presented and published numerous articles on claims analysis, entitlement issues, CPM schedule and damages analyses, cumulative impact claims, and claims prevention.

Rod C. Carter, CCP, PSP is President of Long International and has over 20 years of experience in construction project controls, contract disputes and resolution, negotiations, mediation, arbitration support, and expert testimony on scheduling, loss of productivity, and quantum issues.  He has experience in entitlement, schedule, and damages analyses on over 30 construction disputes ranging in value from US$100,000 to US$7 billion, related to oil and gas, oil refinery, LNG, heavy civil, nuclear, environmental, chemical, power, industrial, commercial, and residential construction projects. Mr. Carter specializes in loss of productivity, cumulative impact, and quantum calculations, and had a lead role in assessing damages on more than a dozen major disputes.  In addition, Mr. Carter has developed cost and schedule risk analysis models using Monte Carlo simulations to address the uncertainty of estimates and claims.

Scott M. Francis, P.E., PSP is a Vice President of Long International and has over 20 years of experience in project management, contract disputes analysis and resolution, CPM schedule preparation, execution, and analysis, productivity analysis, contract administration, design engineering, construction management, and government contracting.  He provides schedule development and assurance services, cost estimating, and claims analysis services on projects for both owners and contractors.  Specific responsibilities include CPM development and reviews, CPM schedule delay and acceleration analyses, change order impact analysis, issue identification, correlation of impacts to schedule activities, and productivity evaluations.

With training from Harvard, Yale, Columbia, and other top-tier institutions, Dr. Daniel Cousin is a dual-boarded fellowship-trained expert in Diagnostic Radiology in active clinical practice who offers same-day (<24 hr) turnarounds on radiology consultations. 

Dr. Cousin has served as a Medical Director in private practice, and also as a Program Director for a residency program where he was responsible for teaching newly minted doctors to be radiologists. He has nearly two decades of experience in the field including both academic and private practices and both clinical and administrative positions. Dr. Cousin is currently the Clinical Director for BayView Radiology in Florida. He is board-certified by both the American Board of Radiology and also by the National Board of Physicians and Surgeons.

Litigation Support - Dr. Cousin is a pioneer in 4D demonstrative evidence, has an impressive lecturing and public speaking experience, presents well before juries, and has testified as an expert over 60 times in the last 4 years. As of 2021, his plaintiff defense split is approximately 50/50. Dr. Cousin offers Independent Medical Reviews (IMEs), Utilization Reviews, Medical Malpractice Reviews, Personal Injury Protection, Bodily Injury Reviews, Second Opinion Imaging Reviews, Re-Reads, and Worker's Compensation Reviews.

Areas of Expertise:

Harvard / Yale / Columbia-Trained, Dual-Boarded Radiologist - 24 hr turnaround (646) 303 3125.  

Dr. Cousin can also be found on the following websites:

• Medsurity Experts
• Radsurity 
• www.radiologistconsultant.com

August Meyer, QDE is a court qualified Forensic Handwriting and Document Examiner. He has been trained in the examination of handwriting and documents to include simulated signatures, disguised writing, altered documents, ink and paper analysis, and anonymous and threatening notes. 

Since 2014, Meyer has worked cases ranging from medical malpractice to title transfers. Through the National Gang Crime Research Center (NGCRC), he has approximately 175 hours of training and education in gang-related activity. In 2016 he was invited to be a guest presenter to the American Handwriting Analysis Foundation and gave a seminar covering gang culture, structure, and graffiti. In this presentation he showed how gang members will often work their symbols into their handwriting allowing an examiner to identify possible gang affiliations and rivalries from nothing more than handwriting.

Litigation Support - Meyer has worked cases across the country from Las Vegas to Indiana. He consults with attorneys to review opposing expert's reports on handwriting to identify and exploit weaknesses. He has successfully testified in court resulting in favorable resolutions for his clients. 

Areas of Expertise:

Meyer participates in continuous training and annual proficiency testing from the Scientific Association of Forensic Examiners and the International Association of Document Examiners. Additionally, Meyer has published three articles in peer reviewed journals.

Mr. V C Misra is a leading Forensic Handwriting, Finger Print and Document Examiner with over 21 years of experience. He has solved and given opinion on thousands of cases in India, UK, USA, Canada, Japan, Australia, Germany, Italy, France, Russia, South Africa and UAE. Mr. Misra's Expertise Includes:

• Examination of Handwriting, Signatures, Fraudulent Additions and Alterations
• Approximate Age of Documents
• Photo Static and Scanned Transplantations of Signatures
• Traced, Freehand and Impersonation Forgeries
• Denial of Normal or Disguised (Changed) Signatures
• Anonymous Letters
• Body Writings on Account Opening Forms
• Denial of Withdrawal of Money
• Development of Latent Finger or Palm Prints from the Cheques
• Bank Documents by Ninhydrin (Chemical) Method Used for Impression Sweat on Paper
• Opinions on Folds
• Sequence of Strokes and Distinction Between Inks
• Insertion of Typed or Printed Matter
• Fake Currency Notes
• Credit Card Forgeries
• Identification of Computer Typed Documents
• Fake Seals and Rubber Stamps

Mr. Misra's Expert Opinion is Available in the Following Languages: English; French; German; Russian; Spanish; Hindi; Gujarati; Urdu; Marathi; Regional Languages of India or Abroad. Clients Include:

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