Global Forensic Services, LLC (GFS) is a forensic laboratory, consulting and investigative firm. We offer over 37 years of experience and training in a wide range of forensic science and private investigation disciplines. We specialize in ink dating, handwriting, art dating, questioned document examinations, fraud detection and forensic analysis.
Proven specialty areas include questioned documents, forensic document examination, forensic ink dating, forensic document dating, Art Dating, counterfeit documents, crime scene evaluation, ink analysis, ink age determination, paper analysis, authenticity, fraud investigations, product piracy, fingerprints, handwriting, trace evidence, Daubert and cold case (consultant) investigations. In addition, GFS offers worldwide trial preparation, assistance and expert witness testimony.
Larry F. Stewart is the Chief Forensic Scientist and President of GFS. He is a Certified Forensic Questioned Document Examiner and a Certified Forensic Consultant.
Biography of Chief Forensic Scientist
Larry F. Stewart was born in Asheville, North Carolina. He has earned an Associate of Arts degree from Florida Technological University in Orlando, a Bachelor of Science in Forensic Science degree 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 over 25 years and in private practice for over 15 years. During that time he has worked on many notable cases to include; the Unabomber, the John Wilkes Booth diary, 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 Quedlinburg Treasure, the 1933 Saint-Gaudens Double Eagle gold coin, the Jon Benet Ramsey murder investigation, the 9/11 terrorist attacks, the DC Sniper investigation, the Martha Stewart case, the 2010 Brazilian presidential election scandal, the FaceBook ownership matter, the Boy Scouts of America bankruptcy proceedings and the 2020 Presidential election controversy (Arizona).
Additionally, he has been called upon to examine and assist in determining the authenticity of various historic constructions and sculptures to include pieces of Nok Terra Cotta, Mammoth Ivory, and Brazzerville and Songye Tribal Horns as well as various paintings and porcelains to include works potentially by Dahl, Picasso, Kandinsky, Cezanne, DeKooning, Kliun, Popova, Lissitzky, Malevich and Hopper.
His efforts have directly assisted the U.S. and foreign Governments in solving matters concerning multimillion dollar financial crimes investigations, corrupt officials, murders, illegal transfers of nuclear materials, terrorists, counterfeit food and drug products, international border disputes and falsified international treaties.
He has testified as an expert witness in state, federal and military courts of law, as well as testified or been deposed 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 held the position of Laboratory Director and Chief Forensic Scientist for the United States Secret Service. In that role, he managed up to 120 scientists, technicians, and support staff in the areas of document analysis, handwriting, fingerprints, trace evidence, audio and video analysis, photography, toolmarks, computer evidence and counterfeit analysis.
In 2005, Mr. Stewart retired from formal government service and began the independent forensic laboratory and consulting firm known as Global Forensic Services, LLC (previously, Stewart Forensic Consultants) and its subsidiary, Global Investigative & Intelligence Services.
Our goal is to provide efficient examination of evidence in order to help you find the truth.
Ink Dating, Handwriting Analysis, Art Dating, Questioned Document Expert, and Forensic Analysis
Whether your case requires an expert in questioned document analysis, forensic document examination, forensic document dating, ink analysis, handwriting analysis, ink dating, fine art dating, counterfeit documents, crime scene evaluation, ink age determination, paper analysis, printing process determination and age analysis, Daubert preparation, cold case analysis, fraud investigation, trace evidence, questioned documents, metallurgy or trial preparation, give GFS a call. We are a worldwide operation.
telephone (805) 595-1333 Work or (202) 550-6233 Cell
Mailing Address: 793a E. Foothill Blvd., #200, San Luis Obispo, CA 93405