Forensics Expert Witnesses: 23

David Smith specializes in Recording Authentication, Speech Enhancement, Voice Identification/Elimination & Forensic Audio Analysis. Sound Testimony's proprietary's hardware/software systems recover intelligible speech and other sounds from noise-intensive backgrounds & poorly recorded media. Mr. Smith has more than three decades of professional forensic audio analysis experience in criminal and civil cases including murder, corporate fraud, employment discrimination, sexual harassment, labor, and family law. Mr. Smith consults with counsel offering audio forensic evidence examination, analysis, litigation support, expert advice, expert testimony, and related expert witness services including preparation of cross-examinations and courtroom presentations. Clients include Prosecutors, Defense Attorneys, Family Law & General Practice Attorneys, other Legal & Investigative Professionals, HR Departments, Corporations, Private Detectives, & Individuals.

Services Offered:

• Recording Authentication / Tampering & Editing Detection
• Forensic Quality Enhancement / Voice and Sound Extraction
• Intelligibility Improvement
• Transcript Review & Correction
• Voice Recognition and/or Elimination
• Expert Testimony
• ALL services are available for Webcams, Body-cams, Dash-cams, and Security Cameras

Authentication and/or Intelligibility Improvement of:

• 911 calls
• Accidental Recordings
• Cell Phone Recordings
• Video Recordings
• Portable Recorders
• Interviews
• Depositions
• Meetings

Setec Investigations offers unparalleled expertise in computer forensics and electronic discovery, providing highly personalized, case-specific forensic analysis and litigation support services to assist in the investigation, handling, and prosecution of computer-related crimes or misuse.

Setec Investigations combines today's most advanced computer forensics and litigation support expertise with a business- and legal-friendly approach, resulting in a sound analytical foundation that carefully balances critical investigative requirements with vital legal and evidentiary needs.

Setec Investigations incorporates a cross-disciplinary team comprised of computer forensic investigators, attorneys, law enforcement specialists, and seasoned business professionals who have established a proven track record of success since 1997.

Services Overview

Setec Investigations possesses the necessary combination of technical expertise, understanding of the legal system, and specialized tools and processes enabling the discovery, collection, investigation, and production of electronic information for investigating and handling computer-related crimes or misuse.

Explore our range of service offerings:

Computer Forensic Investigations

Computer forensics and enterprise investigation services identify, gather, analyze, and preserve electronic evidence to establish a sustainable posture for internal or legal action.

Electronic Discovery

Manage large volumes of electronic data and quickly identify and isolate electronic evidence that is critical to the success of a litigation.

Litigation Support

Legal consultants and attorneys translate litigation issues into strong case strategies that effectively utilize electronic evidence.

Expert Witness

Supports the resolution of security incidents and active litigations by offering impartial and independent expert testimony, opinions, and customized reports in legal proceedings.

George Schiro is a DNA Technical Leader - Forensic Scientist. His duties include incorporating the DNA Advisory Board (DAB) standards, accountability for the technical operations of the lab, conducting DNA analysis using the 13 STR core loci and Y STR in casework, DNA research, forensic science training and crime scene investigation.

Mr. Schiro has worked over 3500 cases and has qualified as an expert over 175 times in 31 Louisiana parish courts, Arkansas, California, Florida, Mississippi, Missouri, Nevada, New York, Texas, West Virginia, federal court, U.S. court-martial, and two Louisiana city courts. Has also consulted on cases in 29 states.

Qualified as an Expert in the Following Areas:

Latent Fingerprint Development Serology Crime Scene Investigation Forensic Science Trajectory Reconstruction Shoeprint Identification

Crime Scene Reconstruction Bloodstain Pattern Analysis DNA Analysis Fracture Match Analysis Hair Comparison Forensic Science Training

Ray S. Kim, Ph.D., is a Licensed Clinical Psychologist and Board Certified Forensic Psychologist. Dr. Kim is also a Board Registered Mental Illness / Substance Abuse Provider, Diplomate of the American Psychotherapy Association, Diplomate of the American Board of Psychological Specialties, Fellow of the American College of Forensic Examiners Institute, and Fellow of the American College of Advanced Practice Psychologists. 

Dr. Kim is currently the Director of Chicago Metropolitan Forensic Services at the Illinois Department of Human Services where he supervises a team of clinical psychologists and social workers who evaluate the placement of individuals into forensic facilities. He also serves as the Director of Clinical Training at Chicago Metropolitan Forensic Services where he developed and supervises a forensic practicum program which provides opportunities for specialized clinical training in the area of forensic psychology. 

Litigation Support - Dr. Kim has testified in over 50 cases in both criminal and civil court proceedings. He is sensitive to the nature of legal matters, and provides comprehensive, timely, and professional services. Dr. Kim's services are available to attorneys or defendants seeking a qualified evaluator to help support a case, or wishing to obtain a second opinion on a legal matter already in progress. He is skilled in utilizing the field of psychology's most up-to-date assessments to provide recommendations for prosecution or defense teams. 

Areas of Expertise:

• Psychological Evaluations
• Pre-Sentence Evaluations
• Sex Offender Evaluations
• Violence Risk Assessments
• Competency to Waive Miranda Rights
• Diminished Capacity
• Fitness for Duty Evaluations
• Substance Abuse Assessments
• Independent Medical Examinations (personal injury, workers' compensation, disability determination, malpractice)
• Detection of Malingering
• Federal Evaluations (competency to stand trial, criminal responsibility)

View Dr. Kim's Consulting Profile.

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, AFCE, 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.

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 conducted hundreds of forensic audio, video, and image investigations in the United States and internationally. He has enhanced and analyzed thousands of digital files, ranging from simple slip-and-fall cases and minor traffic accidents to complex investigations such as homicides and officer-involved shootings. He has been court-certified as an expert and provided expert testimony in criminal cases and civil litigation in federal and state court. A highly trained and experienced forensic analyst, he provides technically detailed and precise results with expedited turnaround times.

Video, Audio, and Image Forensics

Evidence Recovery Authentication Enhancement Synchronization Analysis Redaction

Photogrammetry Facial Recognition License Plate Recognition Public / Media Release Court Exhibit Preparation

Dr. Dennis Stainken has over 30 years of Industrial and Government experience managing Pollution Control and Hazardous Waste Projects. His experience includes assignments in engineering, analytical and toxicology sciences for regulatory compliance, product registration, risk assessment, technology development.

Dr. Stainken is a national expert in Environmental Toxicology & Ecological Research on the transport, fate and effect of pollutants, and in quality assurance in government and industry.

Areas of Expertise:

Health Effects Toxicology Chemical Exposure Health Issues/Physiology/Chemistry Water & Waste Water Ecological Services Contamination & Remediation Analytical Chemistry

Natural Resource Damage Assessments Property Assessments Hazardous Waste Water Quality Risk Assessment Wetlands Industrial Services Gasoline & Oil Issues

POWERPLANT Specialists, LLC., (PPC) is a technical services company providing highly specialized support services for Industrial Power Generation Systems, Cogeneration and Combined Cycle Power Plants. PPC specializes in Design, Performance, Forensics, Construction, Design Defects, Cost Analysis for Lost Operations, Maintenance, and Repair. PPC has extensive international experience and is OSHA Lockout / Tagout Certified. Areas of Expertise

• Power Generation
• Marine Propulsion - Conventional / Alternative Fueled Systems
• Microturbines
• Boilers
• Industrial Gas Turbines
• Diesel Engines
• Cogeneration
• Geothermal
• Landfill
• Digester Gas
• Insurance Claims Investigation

With more than 27 years of experience in Big 4 consulting, Steve Ditty is a distinguished Software Expert Witness specializing in ERP software litigation, software failure analysis, and expert testimony. His expertise spans enterprise software implementation, project management, and litigation support, making him a key figure in complex ERP lawsuits. As a testifying expert, he has played a critical role in high-stakes disputes across North America, Europe, and Asia. 

Steve has provided expert witness consulting and litigation support for Fortune 500 corporations and public sector organizations, offering expert reports, depositions, rebuttals, forensic software analysis, and trial testimony in major ERP lawsuits. 

As a recognized authority in software litigation, his testimony has been instrumental in ERP failure cases involving SAP, Oracle, Microsoft Dynamics, Infor, NetSuite, and other enterprise platforms. His knowledge of ERP implementation failures, contract disputes, and project overruns makes him one of the most sought-after professionals in software litigation support. 

Areas of Expertise:

Software Expert Witness & Testimony ERP Litigation Support & Case Analysis Enterprise Software Dispute Resolution Expert Report Writing & Deposition Testimony Forensic Software Analysis & Root Cause Investigations

Project Management & ERP Implementation Consulting IT Contract Disputes & Risk Assessment Legal Support for Software Failure Cases Complex ERP System Audits & Compliance Evaluations Software Selection, Vendor Performance Evaluation & IV&V

Dr. David L. Mitchell is an authority on the Numerical Modeling of Geophysical and Atmospheric Data with a Doctorate in Meteorology from Purdue University. Dr. Mitchell has over 28 years of technical modeling experience in industry and consulting.

Dr. Mitchell is a Court Qualified Expert in Air Modeling and Forensic Meteorology. His business experience includes various research, project management and technical consulting positions with Conoco, Getty Oil Company, Texaco, Tenneco, British Petroleum, Leviathan Gas Pipeline LLP and IBM Corporation.

Dr. Mitchell has extensive knowledge of Forensic Meteorology and has published his research results on the numerical modeling of atmospheric stability and convection. Dr. Mitchell is an expert in the field of Air Pollution Meteorology with over 28 years of experience with the mathematical modeling of wave propagation in elastic media, atmospheric fluid dynamics and air dispersion modeling.

Dr. Mitchell is a specialist in Weather Event Re-Construction for litigation and has provided expert testimony for numerous cases related to severe weather events and the application of Force Majeure clauses. He has provided forensic meteorology support for civil and criminal investigations and insurance cases involving weather related accidents, the release of toxic pollutants into the air, air pollution and weather related personal injury and property damage.

He is a member of the Air and Waste Management Association, the American Meteorological Society and the National Association of Environmental Professionals. Dr. Mitchell is also an Associate Member of the American Bar Association with affiliation with the Litigation Division and is a Certified Professional Geoscientist and a Licensed Professional Geoscientist (#1330) in the State of Texas, Certified by the Texas Board of Professional Geoscientists.

Degrees

Ph.D., Atmospheric Science and Meteorology, Purdue University 1976

M.S., Physics, Purdue University 1974

B.S., Physics and Mathematics (Dean’s Distinguished List), Baylor University 1972

Dissertation: A Theoretical Investigation of Atmospheric Convective Modes as a Function of Rayleigh Number, Prandtl Number and Eddy Anisotropy; 1977, Meteor. Soc. Japan, Vol. 55, No. 4, 341 – 363.

Certification and Honors

Court Qualified Expert in Air Modeling and Forensic Meteorology

Certified Professional Geoscientist, Licensed Geoscientist – Texas Board of Professional Geoscientists

Associate of the Scientific Research Society of North America

Sigma Pi Sigma, National Physics Honors Society

Distinguished Expert, National Forensic Center

A Special Education expert for five decades, Dr. Steven C. Imber served as a professor of special education from 1973 2021. He serves as a special education advocate, consultant to attorneys, parents and schools. He has conducted more than 600 independent educational evaluations.

Education:

• B.S. Psychology (High Honors) State University of New York at Buffalo
• Doctoral Studies, Clinical Psychology, University of Connecticut
• M.A. from the Department of Educational Psychology (Special Education - Learning Disabilities), University of Connecticut (Kappa Delta Phi)
• Ph.D. from the Department of Educational Psychology (Special Education -Emotional Disturbance (High Honors)

As a special education expert, Dr. Imber has worked on cases with children, adolescents and adults with a broad array of disabilities. He provides professional advocacy and consultation for children with the following disabilities:

• Autism Disorders
• Attention Deficit Disorders
• Emotional and Behavioral Disorders
• Emotional and Behavioral Disorders Intellectual Disabilities (Cognitive Deficits)
• Learning Disabilities
• Other Disabilities and Disorders

Areas of Expertise:

• Criminal Defense of Individuals with Disabilities – competence to stand trial and comprehension of Miranda Warning Rights
• Family Custody Matters involving Disputes regarding matters of Education and Special Education
• School Safety
• Special Education Regulations and Law
• Wrongful Death

Dr. Imber has been involved in cases from the following states: Alaska, Arizona, Connecticut, Delaware, Florida, Hawaii, Illinois, Massachusetts, Michigan, New Jersey, New York, Pennsylvania, Rhode Island, Tennessee, Utah, Vermont, Washington and West Virginia. 

Depositions and Direct Testimony
Dr. Imber has testified in federal court, various district courts, superior court, family and probate court and in numerous due process hearings since 1975.

Below are listed recent cases in which Dr. Imber provided testimony during depositions or directly in various court matters:

• October 21, 2021, Family Court: State of Hawaii, Plaintiff
• October 19, 2021, Hancock County Circuit Court, West Virginia Criminal Action, Defendant
• September 29, 2021, Chicago Public  Schools Cook County, Defendant
• July 6, 2021, Worcester County Probate and Family Court, Plaintiff
• August 10, 2021, Springfield District Court, Defendant
• May – June 2019, Commonwealth of Massachusetts, Division of Administrative Law Appeals, Bureau of Special Education Appeals BSEA, Plaintiff

Additional Accomplishments

• Published several articles in national and international journals within the fields of special education and psychology
• Presented at several local, state, regional, national and international conferences and meetings

Rhode Island Office Sprout Building 166 Valley Street Providence, RI 02909 Telephone: 401-421-4004

New York Office 61-43 186th Street Fresh Meadows, NY 11365 Telephone: 516-273-1961

Dr. Imber's CV is available upon request.

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:

Audio, Video and Voice Recordings Voice Identification / Comparison / Elimination Forensic Transcription / Transcriptions Surveillance/Time Lapse Video Processing Authentication, Enhancement, Restoration Noise Reduction /Removal / Improve Intelligibility Video Frame/Field Capture and Printing Signal Recovery, Restoration and Clarification Magnetic Microscopy and Imaging Services Vintage/Obsolete Computer Data Recovery and Conversion, Translation

Digital Image/Photograph Analysis Recording Equipment Analysis and Testing Recording Equipment Restoration Playback Speed Correction Media Repair and Cleaning Services Many Tape and Digital Formats Supported Related Litigation Support Technical Research and/of Forensic Applications Dictaphone Restoration and Transfer Services

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)

California Main Office: 793A East Foothill Blvd., #200 San Luis Obispo, CA 93405

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:

Questioned Documents Crime Scene Evaluation Trace Evidence Ink Analysis Age Determination Authenticity Fraud Investigations

Handwriting Daubert and Cold Case (consultant) Investigations Indented Writing Striations Typewriting Erasures Office Machines Tracing

GEO Associates provides litigation support services and expert witness testimony for civil and criminal investigations and insurance industry cases (both plaintiff and defendant) that involve Groundwater Pollution and Data Analysis, Forensic Geology and Geophysics, Hydrology Modeling, and Forensic Meteorology including Weather Event Re-Construction and Force Majeure cases. GEO Associates can assist attorneys and insurance claim professionals in obtaining, analyzing, modeling, and interpreting the correct geophysical/geological and meteorological data for their case.

GEO Associates uses the latest approved Regulatory EPA and USGS numerical modeling software to map the concentration levels and transport of air and groundwater pollutants. GEO Associates numerical modeling expertise, combined with their advanced knowledge of meteorological, geophysical and geological data gathering and processing, provides strong support to the attorney and client for cases involving Air Pollution, Reduced Visibility, Severe Storms, Groundwater Contamination, Flooding, Wind Damage and Hazardous Material Spills and Releases to Air and/or Water, which result in accidents, contamination of aquifers, toxic air, property damage, personal injury and death.

Services Include:

Forensic Geology

Industrial Groundwater Pollution

Toxic Tort Strategy

Environmental Surface and Groundwater Pollution

Mapping of Surface and Groundwater Contamination

Forensic Hydrology

Groundwater Computer Modeling

Aquifer Systems Analysis

Hazardous Spill Releases

Geological and Geophysical Data Acquisition, Processing and Analysis

Geological and Geophysical Mapping of Reservoirs

Observational Field Programs

Reflection and Refraction Seismology

Forensic Seismology

Seismic Investigations

Oil and Gas Operations and Operator Performance

Marine and Land Seismic Operations

Value Analysis of Proprietary Geophysical and Geological Data

2D and 3D Reflection Seismology Modeling and Analysis

Fluid Dynamics and Reservoir Analysis

Toxic Fluid Migration

Class Action and Force Majeure Cases

David Goodwin has over 32 years of Fingerprint Analysis and has been a Home Office registered Fingerprint Expert for over 28 years. The Owner and Director of Fingerprint Associates Ltd., Mr. Goodwin is a recognised fingerprint expert with very recent knowledge of IDENT1 and other Bureau activities and is registered with the National Policing Improvement Agency (N.P.I.A) as an Expert Advisor. His background includes 10 years with the Metropolitan Police, New Scotland Yard and 18 Years with Northamptonshire Police as the Head of Fingerprint Services. Mr. Goodwin has prepared and presented Expert Fingerprint Evidence in Courts of all types.

Skills Base:

• Foundation Fingerprint Course
• Intermediate Fingerprint Course
• Advanced Fingerprint Course
• Scene Examiner
• Trained as Crime Scene Manager
• FERRT (Forensic Evidence Recovery and Retrieval Techniques) Trained

Areas of Expertise:

• Criminal Cases - Perform a comparison of an identified case and offer an independent analysis of the identification. Offer evidence to advise the Defense on related fingerprint matters.
• Immigration - Provide an impartial comparison of sets of fingerprints in dispute and provide an independent report into the comparison.
• Civil Cases - Assist Courts and Tribunals throughout the UK and abroad on issues involving contracts, wills and covenants.
• International Electoral Services - analyze ballot slips for duplicate or multiple thumb impressions.
• Fingerprint Development - developed fingermarks are photographed in line with published guidelines which allow for "cradle to grave" service.

View Consulting Profile.

Engel Metallurgical LTD engineers and metallurgists offer laboratory testing services to determine Material Performance and Material Performance Expectation. All tests are performed according to government and/or applicable industrial standards, including ASTM, military, and other specifications.

Engel Metallurgical clients include attorneys, insurance company representatives and members of a broad range of industries, including chemical, agricultural, aviation, power generation, construction, transportation and manufacturing.

Litigation Support - Attorneys requiring reliable information rely on Engel Metallurgical. Les Engel and his team of specialists sort through intricate details of structural and material failures, accidents, manufacturing defects and other unexpected incidents that lead to lawsuits, with involvement from initial discovery through court appearances, if necessary. 

In 2003, Engel Metallurgical earned ISO/IEC 17025 accreditation from the American Association for Laboratory Accreditation (A2LA). This accreditation officially recognizes Engel Metallurgical proficiency in quality and details, and helps ensure that its findings will carry more weight in clients’ litigation cases. 

Engel Metallurgical Ltd. is listed with the Minnesota Association For Justice (formerly Minnesota Trial Lawyers Association) as an expert in the field of metallurgy. Their engineers have extensive experience with deposition and trial. Their high ethical and scientific standards complement our expertise in providing sound, unbiased opinions on technical issues, including: Inspection: Equipment and Components Inspected on Site Failure Analysis:

Root Cause Failure Mode

Photographic Documentation Fracture Evaluations

Product Evaluation:

Quality Control Efforts Reverse Engineering Materials Certification Product Claims, Product Recalls Corrosion Resistance Coatings Selection

Product Replacement Non-destructive Testing Procedures Literature Searches US / Foreign Specifications Equivalents Material Property Design Limits

Principal, Lester P. Engel, Jr., PE, is a Metallurgical Engineer with over 40 years of experience leading the company's detailed, quality-focused testing and services. He oversees the company's lab, continually adding new equipment and techniques. 

Mr. Engel also has experience as the chief metallurgist for Brown Boveri Turbomachinery and as a metallurgical engineer for the Aircraft Engine Group of General Electric, where he focused on material selections for hot aircraft and marine gas turbine components. His GE career began in Nuclear Systems Programs, where his work included serving as the principal investigator on three NASA programs. 

Les Engel specializes in materials application, failure analysis, R & D program management, materials and process specifications, engineering standards and procedures, laboratory design and operation, data analysis and personnel, and budget management. He continues to personally perform failure analysis on aircraft and land turbines, generators, boilers, steel products, metals, cements, plastics, and other materials. With high ethical and scientific standards, Les Engel offers sound, unbiased expert analysis and testimony on technical issues. He provides expertise to insurance companies and counsel representing both plaintiff and defendant.

James A. Brusso, PhD, PE, has more than 20 years of experience in processing/properties of materials, materials characterization and behavior, materials specifications, mechanical testing, failure analysis, machining of materials, and laboratory design and operation. He is also Engel Metallurgical's Technical Manager and Quality Manager.

Dr. Brusso brings keen expertise to Engel Metallurgical and its clients, performing failure analysis; rendering expert opinions, giving depositions and testimony for litigation support; providing technical support for materials and process development and improvement; and developing and reviewing various product designs, materials, and process details.

Dr. Brusso has worked with Engel Metallurgical since 2000. Prior to that, he held several positions with The Timken Company in Ohio, where his responsibilities included establishing the company’s machinability testing laboratory, team leader for product development projects, managing the company's application metallurgical laboratory, and providing technical review of internal processing and testing standards to satisfy ISO 9000 / QS 9000 registration. 

View Engel Metallurgical's Consulting Profile.