Demonstrative Evidence / Trial Presentations Expert Witnesses: 19

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Not a verifiable science, not peer reviewed, no scientific white-paper to support its use.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

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.

Consultants. Experts. Innovators.™

Operating from more than 110+ offices around the globe, we provide services to corporations, insurance companies, law firms, and government agencies.

Rimkus experts specialize in forensic consulting and construction dispute resolution in the hospitality, retail, and restaurant; industrial; marine; oil and gas; power and renewable energy; transportation; and pharmaceuticals industries.

Rimkus experts solve complex challenges wherever in the world they occur. We are dedicated to serving our clients so they can achieve timely resolution of accidents, claims, and legal disputes.

Our highly diversified, global team of engineers, scientists, architects, and technical specialists systematically evaluates all available evidence, applies scientific principles, specialized knowledge and, when appropriate, utilizes the latest analytical technologies to arrive at scientifically sound opinions and solutions for our clients.

Rimkus Global Services Overview

OUR FORENSIC SERVICES EXPERTISE

Architecture Biomedical Engineering Building Consulting Building Surveying Civil and Structural Engineering Construction Claims and Disputes Digital Forensics Environmental Health Science Fire and Explosion Science Geotechnical Engineering Human Factors

Industrial and Renewable Energy Legal Nurse Consulting Marine Forensics Materials Science Engineering Mechanical and Electrical Engineering Forensic Meteorology Premises Liability and Security Property Loss Consulting Toxicology and Food Safety Transportation Visual Media and Technology Services

View our full suite of Forensic Expert Services

GLOBAL OFFICES

Rimkus operates from 110+ offices worldwide, with headquarters in the following cities.

Australia Grosvenor Place, Level 31 225 George Street Sydney NSW 2000 Phone: +61 2 9290 1495 Email: APEnquiries@rimkus.com

Malaysia Menara Citibank Suite 20.04 Level 20, 165 Jalan Ampang 50450 Kuala Lumpur Phone: +60 3 9212 1204 Email: APEnquiries@rimkus.com

New Zealand Level 2, 1 Broadway Newmarket Auckland 1023 Phone: +64 9 5201929 Email: APEnquiries@rimkus.com

Singapore  138 Market Street Level 5, CapitaGreen 048946 Phone: +65 6016 6057 Email: APEnquiries@rimkus.com

United Kingdom 5th Floor 40 Lime Street London EC3M 7AW Phone: +44 12 5767 6107 Email: EurEnquiries@rimkus.com

United States 12140 Wickchester Ln Ste 300 Houston Texas Phone: +1 800 580 3228 Email: Expert@rimkus.com

View a full list of Rimkus Office Locations.

View Rimkus Quantum and Delay Expert Services Profile.
View Rimkus Life Sciences Expert Services Profile.

Consultants. Experts. Innovators.™

Operating from more than 110+ offices around the globe, we provide services to corporations, insurance companies, law firms, and government agencies. 

Our quantum and delay experts are experienced in the following areas:

Adjudication Arbitration Assistance in the Preparation of Pleadings Attendance at Hearings Compilation of Evidence Conciliation Deposition Disclosure and Discovery Dispute Advisory Boards (DABs)

Dispute Management Strategy Implementation Dispute Resolution Boards (DRBs) Early Neutral Evaluation (ENE) Expert Determination Factual Witness Statements Litigation Mediation Structured Negotiation Tactical Dispute Management Advice

Whether the matter relates to construction or insurance, we bring years of valuable industry experience to help our clients limit long and costly formal proceedings. Our experts can operate individually or collaboratively as an integrated team, providing clients with unbiased assessments of construction delays and their cost implications and contract dispute assistance. Backed by evidence and research, Rimkus experts serve as impartial voices, presenting compelling arguments and providing professional testimony that sheds light on the critical intricacies of complex, global issues.

Rimkus Global Services Overview

OUR EXPERT SERVICES EXPERTISE

DELAY EXPERTS

Construction delays can have significant financial implications and lead to strained relationships on a project. Rimkus delay experts understand schedules, project management, and contractual obligations. We can analyze complex timelines, identify causation, measure the effect on the project’s deliverables, and provide expert opinions that stand up to scrutiny in legal proceedings. Our Delay Experts are experienced in the following areas:

• Extension of Time Assessment
• Disruption Analysis
• Project Planning
• 4D Modelling and Visualization

QUANTUM EXPERTS

Quantum disputes require a unique set of skills and expertise. Rimkus’ quantum expert witnesses specialise in evaluating and quantifying the financial loss or damage from a variety of matters, including breaches of contract, valuation issues, or financial loss claims. In addition, our team is often engaged on expert advisory commissions, helping clients build an appropriate commercial strategy to navigate a complicated or contentious issue and assisting the client in achieving its targets. Our quantum specialists are well-versed in all aspects of dispute resolution, whether through litigation, arbitration, adjudication, mediation, or complex negotiation. Several members of the Rimkus quantum team are multilingual, allowing us to help clients from jurisdictions across the globe. Our Quantum Experts are experienced in the following areas: 

• Contract Administration
• Damages Claims 
• Quantity Surveying Best Practice
• Quantum Assessment and Analysis
• Loss and Expense Claims 

Visit our full suite of: Delay and Quantum Expert Services.

GLOBAL OFFICES

Rimkus operates from 110+ offices worldwide, with headquarters in the following cities.

Australia Grosvenor Place, Level 31 225 George Street Sydney NSW 2000 Phone: +61 2 9290 1495 Email: APEnquiries@rimkus.com

Malaysia Menara Citibank Suite 20.04 Level 20, 165 Jalan Ampang 50450 Kuala Lumpur Phone: +60 3 9212 1204 Email: APEnquiries@rimkus.com

New Zealand Level 2, 1 Broadway Newmarket Auckland 1023 Phone: +64 9 5201929 Email: APEnquiries@rimkus.com

Singapore  138 Market Street Level 5, CapitaGreen 048946 Phone: +65 6016 6057 Email: APEnquiries@rimkus.com

United Kingdom 5th Floor 40 Lime Street London EC3M 7AW Phone: +44 12 5767 6107 Email: EurEnquiries@rimkus.com

United States 12140 Wickchester Ln Ste 300 Houston Texas Phone: +1 800 580 3228 Email: Expert@rimkus.com

View a full list of Rimkus Office Locations.

View Rimkus Forensic Expert Services Profile. 
View Rimkus Life Sciences Expert Services Profile.

R. Kevin Smith PE, BSME, MMAE, has been a specialist in Engineering Forensic Safety and Design for 35 years. He has consulted on over a 1,000 matters nationwide. Mr. Smith is a registered professional engineer and holds a BSME and MMAE from the Illinois Institute of Technology in Chicago. He is board certified forensic engineer through the National Academy of Forensic Engineers. He specializes in Material Handling Equipment Safety, including lift trucks, dock safety, truck loading, conveyors, and aerial work platform safety. 

Mr. has been actively involved as a member of the committee that writes the Safety Standard for Low Lift and High Lift Trucks (ASME/ANSI B56.1) for over 30 years. He also serves on the B56.6 committee (rough terrain lift trucks) and the ANSI A92.5 and A92.6 subcommittees (self-propelled elevating work platforms).

 Litigation Support - Mr. Smith formerly worked for Triodyne, Inc. for over 15 years as a forensic engineer/principal engineer. As President of R. K. Smith Engineering Inc., for over 25 years, he currently has a laboratory for examination and testing,and owns or has access to varied testing equipment and tools.He has testified at depositions and trials on several hundred matters. Mr. Smith has performed hundreds of investigations into product failures involving injury and property damage, and has reconstructed numerous accidents. His expertise is available to counsel representing both Plaintiff and Defendant. Mr. Smith also was previously on the Adjunct Math faculty at Prairie State College for 13 years. 

Areas of Expertise:

Forklift Trucks Aerial Work Platform Lifts Product Testing Material Handling / Lifting / Rigging Equipment Accident Reconstruction Machine Guarding Safeguarding Warnings

Agricultural and Construction Equipment Skid Steer Loaders Stability Testing Loading Dock Safety Consumer Products / Testing OSHA Citations Codes & Standards Standard of Care in Design

View R. Kevin Smith's Consulting Profile.

Mike Wakshull is a civil and criminal court-qualified document examiner who partners with legal clients to dissect the evidence presented in handwritten and computer-generated questioned documents. His valid approach often produces winning arguments during the trial. Wakshull applies his scientific training to examine questioned documents which is a court requirement. He uses generally accepted practices such as SWGDOC and ANSI/ASB standards. His laboratory is well-equipped with high powered digital microscopes, VSC80, ESDA, high quality digital scanners, and software. He has built a large forensic reference library. Wakshull is skilled at creating and explaining complex exhibits in easy-to-understand language and pictures. His courtroom approach is to teach and engage the trial participants—opposing attorney, judge and jury.

Mike Wakshull holds a graduate school certificate in Forensic Document Examination. Since 2010 Mr. Wakshull has worked and studied in the science and discipline of Document Examination and Handwriting Analysis. He is one of only a handful of forensic document examiners with graduate school training in the science of forensic document examination. His opinion is always based on sound fundamentals of evidence. Mr. Wakshull has spoken at International and local conferences and seminars and also holds professional certifications that bring unique skills to your case. As a Certified Quality Engineer, Mr. Wakshull studied the science of variability and applied this to the analysis of handwriting and documents. As a Certified Information Systems Auditor, he applies his knowledge of information systems and technology to the analysis of documents.

Q9 Consulting, Inc. Has both an extensive research library and laboratory. Q9 Consulting, Inc. serves Southern California counties of Riverside, San Diego, Orange, San Bernardino, and surrounding regions. Mike has worked cases from 29 states and five countries. Work is accepted from all other locations.

Areas of Expertise:

Contracts Wills (Printed and Holographic) Deeds Affidavits Employment Agreements Checks Insurance Claims Social Security Cards Anonymous Letters Crime Scene Writing

Notarized Writing Photographs Threatening Letters Graffiti Altered Documents Handwritten Notes Computer Generated Pages Medical Records Loan documents Robo signed documents

View Mike Wakshull'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, 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 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

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:

Air Force Police Bank of Tokyo Bechtel (India) Bennett & Coleman Birla Soft C.R.P.F. Delhi Police Delhi University Duncan Industries Electrolux I.C.I. Fertilizer IIT New Delhi & Kanpur

Industries & MNC's J & K Bank JNU New Delhi L.I.C. Main Detective Agencies Private Parties Punjab National Bank Skanska Standard Chartered Bank State Bank of India U.P. Financial Corporation U.P. Police

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:

Signature Authentication Disguised Writing Altered Documents Ink and Paper Analysis Anonymous and Threatening Notes Wills Quit Claim Deeds Medical Malpractice Insurance Fraud

Medical Documents Titles Deeds Contracts  Checks Credit Applications Loan Applications Prenuptial Agreements Receipts Insurance Claims

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.

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

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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.

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.

Colorado Office Telephone: 720-724-8077 www.denverhandwritingexpert.com

Texas Office Telephone: 832-827-3052www.houstonhandwritingexpert.com

Arizona Office Telephone: 310-985-2807 www.arizonahandwritingexpert.com

East Florida Office Telephone: 954-745-0752 www.floridahandwritingexpert.com

West Florida Office Telephone: 727-213-5722 www.floridahandwritingexpert.com

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

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