Ink Age, Ink Dating, Handwriting, Art Dating, Ink Dating & Questioned Document Expert Witness
Expert WitnessForensic ExpertSpeaker
Global Forensic Services can provide objective examination of evidence in active cases or on previously performed work to determine if proper procedures were followed and accurate results were given. Courtroom assistance can be provided to include expert testimony and trial preparation.
Specific services offered by GFS:
* Questioned Documents
* Crime Scene Evaluation and Evidence Review
* Ink Analysis
* Age Determination
* Indented Writing
* Office Machine Analysis
* Printing Ink
* Art Dating
* Cold Case Investigation
* Fraud Investigation
* Trace Evidence
* Trial Preparation Assistance
* Private Investigations
Litigation Support Services
Global Forensic Services provides objective examination of evidence in active cases or on previously performed work to determine if proper procedures were followed and accurate results were given. Courtroom assistance can be provided to include expert testimony and trial preparation.
Areas of Expertise
Global Forensic Services, LLC is owned and operated by Larry Stewart. Additional consultants are brought in as needed to provide the best overall service available. It is believed that this consultant service provides the best forensic services available to assist you in solving the mystery at hand.
Larry Stewart has more than 35 years of experience conducting forensic examinations for state and federal agencies as a forensic scientist for the Bureau of Alcohol, Tobacco and Firearms and the United States Secret Service. He is now in private practice and is offering his experience and knowledge to you.
He has earned an Associate of Arts degree from Florida Technological University in Orlando, a Bachelor of Science in Forensic Science from the University of Central Florida, also in Orlando and a Master of Forensic Sciences degree from Antioch University in Yellow Springs, Ohio. Mr. Stewart has worked for the U.S. Government as a forensic scientist for 25 years. During that time he has worked on many notable cases to include; the Unabomber, numerous accused Nazi war criminals, e.g. John Demanjuk, a.k.a. Ivan the Terrible, the reinvestigation of the Dr. Martin Luther King murder, the reinvestigation of the Kennedy assassination/CIA conspiracy theory, the Jon Benet Ramsey murder investigation, and more recently, the 9/11 terrorist attack, and the DC Sniper case. He 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 before the U.S. Congress. Mr. Stewart most recently held the position of Laboratory Director and Chief Forensic Scientist for the United States Secret Service. In 2005, he retired from government service and began his own forensic laboratory and consultancy company.
Main Office - San Luis Obispo, California
All States, International
About Stewart Forensic Consultants, LLC - Expert Witness
Fraud Investigations Forensic Consultant
Handwriting Expert Witness
Ink Dating Forensic Services
Art Dating Expert Witness
Contact Stewart Forensic Consultants, LLC - Litigation Support
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Larry Stewart has more than 35 years of experience conducting forensic examinations for state and federal agencies as a forensic scientist for the Bureau of Alcohol, Tobacco and Firearms and the United States Secret Service. During that time he has worked on many notable cases to include; the Unabomber, numerous accused Nazi war criminals, e.g. John Demjanjuk, a.k.a. Ivan the Terrible, the reinvestigation of the Dr. Martin Luther King murder, the reinvestigation of the Kennedy assassination/CIA conspiracy theory, the Jon Benet Ramsey murder investigation, and more recently, the 9/11 terrorist attack, the DC Sniper case and the 2010 Brazilian Presidential election scandal.
Mr. Stewart most recently held the position of Laboratory Director and Chief Forensic Scientist for the United States Secret Service. After retirement from the federal government, he began a consulting and investigative firm, specializing in forensic analysis, private investigation, and counterintelligence.
CA Private Investigator PI24990
Certified Forensic Consultant
Certified Forensic Document Examiner
Legal Experience & Services
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 as an Expert at The Hague in the Netherlands and three times before the U.S. Congress.
Mid-Atlantic Association of Forensic Scientists
American Academy of Forensic Sciences - Fellow
Canadian Society of Forensic Scientists (past member)
American Society of Crime Laboratory Directors
Document Security Alliance
California Association of Licensed Investigators
American College of Forensic Examiners Inst.
American Board of Forensic Examiners
American Chemical Society
Association for Intelligence Officers
Business Espionage Controls & Countermeasures Association
December 1975 through March 1979
University of Central Florida
March 1979 through September 1979
Bureau of Alcohol, Tobacco and Firearms
September 1979 through July 1982
Bureau of Alcohol, Tobacco and Firearms
July, 1982 through June, 2005 (retired)
Questioned Document Examiner
Lead, Instrumental Analysis Section
Lead, Instrumental and Computer Analysis Section
Senior Document Examiner/National Expert for the United States Secret Service
Chief, Questioned Document Branch
Assistant Laboratory Director
Laboratory Director/Chief Forensic Scientist
Department of Homeland Security
United States Secret Service
June 2005 to present
Chief Forensic Scientist and President
Global Forensic Services, LLC (formerly Stewart Forensic Consultants, LLC)
Awards & Honors
Mid Atlantic Association of Forensic Scientists-Secretary/Treasurer - 11/81-10/84,
American Society of Crime Laboratory Directors-Board of Directors - 9/00-9/03,
Document Security Alliance-Board of Directors-12/03-11/04,
Recipient of the Health and Human Services Inspector General's Integrity Award, 1991,
The Academy-Board of Directors - 06/07-present,
American Board of Forensic Examiners - 02/09 to present
Seminars & Training
Mr. Stewart has instructed for the Bureau of Alcohol, Tobacco and Firearms, US Air Force- OSI, US Secret Service, Federal Law Enforcement Training Center, Drug Enforcement Agency, Federal Bureau of Investigation, International Law Enforcement Academy- Budapest, Hungary, Naval Criminal Investigative Service, Rochester Institute of Technology, US State Department, Cuesta College, and California Polytechnic University.
Over 25 original publications and presentations of original research. Two published books on Forensic Science. Please see website for descriptions.
Jose Antonio Fichtner
Fichtner, Fichtner, Perez
Rio De Janeiro, Brazil
Beauchamp & Santana Law Offices
Yuba City, CA
Toll Free Telephone: (888) 502-9832
Local Telephone: (530) 822-9500
Grippo & Elden
111 South Wacker Drive
Chicago, IL 60606-4314
Robert Cohen or Becca Wahlquist
Kirkland & Ellis, LLP
New York, NY and Los Angeles, CA
Associate of Arts Degree, Florida Technological University
Bachelor of Science in Forensic Science Degree, University of Central Florida
Master of Forensic Sciences Degree, Antioch University
Articles Published by Global Forensic Services, LLC
Forensic Handwriting Examination - Selecting Your Expert
Forensic handwriting examiners or questioned document examiners are typically sought by investigators or private citizens when a question arises regarding the authenticity of a particular writing. They can also be sought out by attorneys preparing cases for settlement or trials. How should you address the level of competence of a forensic handwriting examiner before asking for their assistance? Once a request is made for an examiner to begin analysis, it is too late to rethink the submission.Read Article
Forensic Science - Fake Fingerprints?
Fingerprint evidence has widely been thought to be irrefutable in court. Things aren't always as they appear to be.Read Article
Forensic Science - Erroneous Handwriting Opinions?
Sometimes corners are cut when utilizing forensic science to "solve" an issue at hand. This can lead to life affecting mistakes as well as expensive blunders. It is important to utilize all the tools available in order to reach a valid forensic opinion.Read Article
Forensic Science - The Good and the Bad
Like any field, forensic science has both good and bad practitioners. If analysis results are based on science, and science is exact, then how can there be opposing experts in litigations?Read Article