Introducing:

Mr. Larry F. Stewart

Stewart Forensic Consultants, LLC

793A E. Foothill Boulevard
Suite 200
San Luis Obispo CA, 93405
US

Short Description:

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.  He has worked for the U.S. Government as a forensic scientist for over 25 years.   Document analysis / ink / handwriting / identity fraud / authenticity /age determinatio n/crime scene / court prep / expert witness critique & testimony, Daubert.

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BIO / Resume / CV:

BIOGRAPHY

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.  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 and the 2010 Brazilian presidential election scandal.  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 most recently 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 began the independent forensic laboratory and consulting firm known as Stewart Forensic Consultants, LLC and its subsidiary, Global Investigative & Intelligence Services.  

 

Occupation:

Chief Forensic Scientist and President –

  • Stewart Forensic Consultants, LLC  
  • San Luis Obispo, California 

 

Education:

Associate of Arts Degree -

  • Received June 1976
  • Florida Technological University  
  • Orlando, Florida

Bachelor of Science in Forensic Science Degree 

  • Received August 1979
  • University of Central Florida  
  • Orlando, Florida

Master of Forensic Sciences Degree -

  • Received June 1983
  • Antioch University  
  • Yellow Springs, Ohio

 

Pertinent Specialized Courses:

Forensic Microscopy Course -

  • March 1978
  • McCrone Research Institute  
  • Chicago, Illinois

Atomic Absorption Spectrophotometry -

  • April 1979
  • Perkin-Elmer Corporation  
  • Gaithersburg, Maryland

Gas Chromatography Course -

  • December 1979
  • Virginia Polytechnic Institute and State University  
  • Gaithersburg, Maryland

Advanced Gas Chromatography -

  • March 1980
  • Perkin-Elmer Corporation

Advanced High Pressure Liquid Chromatography Course -

  • January 1981
  • Virginia Polytechnic Institute and State University  
  • Washington, DC (course location)

Ink and Paper Analysis Semina

  • January 1981
  • U.S. Air Force - Office of Special Investigations  
  • Washington, DC

High Pressure Liquid Chromatography/Mass Spectrometry -

  • July 1981
  • U.S. Justice Department, F.B.I.   
  • Quantico, Virginia

High Pressure Liquid Chromatography/Computer Operation - 

  • March 1984
  • Perkin-Elmer Corporation  
  • Rockville, Maryland

Questioned Document Course -

  • February 1985
  • U.S. Secret Service  
  • Washington, DC

Fourier Transform Infrared Spectroscopy Course - J

  • June 1986
  • Nicolet Analytical Instruments  
  • Lanham, Maryland

Scanning Electron Microscopy -

  • September 1994
  • Philips Electronic Instruments 
  • Mahwah, New Jersey

ASCLD/LAB Inspector Training Course –

  • January 2000  
  • Portland, Oregon

 

Work Experience:

December 1975 through March 1979

  • Laboratory Technician
  • University of Central Florida

March 1979 through September 1979

  • Internship
  • Bureau of Alcohol, Tobacco and Firearms

September 1979 through July 1982

  • Forensic Chemist
  • Bureau of Alcohol, Tobacco and Firearms

July, 1982 through June, 2005 (retired)

  • Counterfeit Specialist
  • 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
  • United States Secret Service

June 2005 to present

  • Chief Forensic Scientist and President
  • Stewart Forensic Consultants, LLC

 

Instructor:

Bureau of Alcohol, Tobacco and Firearms 

  • Rockville, Maryland

United States Air Force,

  • Office of Special Investigations 
  • Special Investigator's Course
  • Washington, DC

United States Secret Service

  • Washington, DC

Federal Law Enforcement Training Center

  • Glynco, Georgia

Drug Enforcement Agency

  • Washington, DC

International Law Enforcement Academy

  • Budapest, Hungary

Naval Criminal Investigative Service

  • Washington, DC

Rochester Institute of Technology

  • Rochester, New York

Cuesta College

  • San Luis Obispo, California

California Polytechnic University

  • San Luis Obispo, California 

 

Guest Speaker:

Montgomery College

  • October 1980
  • Rockville, Maryland

Antioch School of Law

  • November 1980 and February 1981
  • Washington, DC

Montgomery College

  • Ink and Paper Analysis/Instrumental Techniques -
  • February 1982
  • Rockville, Maryland

DocSec'85

  • Document Security -
  • May 1985
  • Washington, DC

George Washington University

  • Ink and Paper Analysis -
  • February 1986
  • Washington, DC

Inspector Generals Office - Health and Human Services

  • Tri-regional Conference -
  • January 1991
  • Mt. Pocono, Pennsylvania

Bolling Air Force Base

  • Joint Basic Computer Forensic Workshop -
  • September 1993 
  • Washington, DC

Virginia Military Institute

  • The Uses of Chemistry and Biology in the Forensic Sciences -
  • April 1994 
  • Lexington, Virginia

UCLA

  • Forensic Examination of Financial and Identity Documents –
  • August 1998

American Society of Questioned Document Examiners meeting

  • Los Angeles, California

Catholic University

  • Science Under Oath –
  • February 2000
  • Washington, DC

GATF Conference

  • Security Printing, Computers and the Forensic Scientist –
  • August 2000
  • Pittsburgh, PA

Fraud Prevention Workshop

  • Security Printing –
  • October 27, 2000
  • U.S. Department of State
  • Ft. Lauderdale, Florida

International Association for Identification

  • Forensic Science and Fraudulent Documents –
  • May 2004
  • Sacramento, California

San Luis Obispo Criminal Bar Association

  • Getting the Most from Forensic Technology in Criminal Investigations –
  • December 13, 2006
  • San Luis Obispo, California

California Association of Licensed Investigators

  • Counterfeits Are All Around Us! – 
  • February 2, 2007
  • Palm Springs, California

California Association of Licensed Investigators

  • Leveling The Playing Field -
  • December 4, 2008
  • Pismo Beach, California

 

Specialized Tours/Training:

Crane-Weston Paper Mill

  • Dalton, Massachusetts - 
  • July 28, 1982

Philadelphia Mint

  • Philadelphia, Pennsylvania -
  • July 29, 1982

Bureau of Engraving and Printing 

  • Washington, DC -
  • July 30, 1982

Visa International

  • San Francisco, California -
  • January 3-6, 1984

Malco Plastics

  • Garrison Park, Maryland -
  • January 1985

BIS CAP International, Ink Jet Printing Conference 

  • Boston, Massachusetts -
  • September 17-19, 1990

 

Achievements:

  • Participated as a "referee" in the 1980 Crime Laboratory Proficiency Training Program Forensic Sciences Foundation, Colorado Springs, Colorado
  • Testified in May of 1989 and 1990 before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, U. S. House of Representatives.  These matters concerned the investigation of fraud in science.
  • Certified by the US Secret Service as an accredited Examiner of Questioned Documents, February 1, 1991. 
  • Recipient of the Health and Human Services Inspector General's Integrity Award, 1991.
  • Appointed Chairman of A.S.T.M. task groups (1991) concerned with developing standards for performing "Writing Ink Comparisons" and "Writing Ink Identifications."
  • United States Delegate at the 14th European Meeting on Currency Counterfeiting, The Hague, The Netherlands, October 9-11, 1991 and the First International Conference on Fraudulent Documents, Ottawa, Canada, April 27- May 1, 1992.
  • United States Delegate at the 6th European Conference for Police and Government Experts, London, United Kingdom, October 2-4, 1996.  Presented a paper on Ink Dating, Relative and Absolute: New Approaches to Old Problems.
  • Testified on July 22, 1999 before the House Judiciary Committee, Subcommittee on Immigration and Claims, U.S. House of Representatives.  This matter concerned detection and prevention of counterfeit documents.
  • Classified as an “Inspector” for the American Society of Crime Laboratory Directors.
  • Elected to the Board of Directors for the American Society of Crime Laboratory Directors, September 14, 2000.
  • Elected to the Board of Directors for the Document Security Alliance, December, 2003.
  • Appointed as the forensic consultant for the United Nations, tasked with developing and implementing a successful forensic laboratory in Nigeria, Africa, 2007.
  • Elected to the Board of Directors for The Academy, June, 2007.
  • Certified Forensic Consultant, American College of Forensic Examiners Institute, October, 2007.
  • Appointed as a forensic consultant for the US Department of State, Bureau of International Narcotics and Law Enforcement Affairs in Yerevan, Armenia, January, 2008 (ongoing assignment). 
  • Appointed as a forensic consultant for the US Department of State, Bureau of International Narcotics and Law Enforcement Affairs in Tbilisi, Georgia, May, 2008. 
  • Elected to the Board of Directors for the American Board of Forensic Examiners, February, 2009 to December 2009.
  • Elected to the Board of Directors for the Education Committee for the American College of Forensic Examiners Institute, July, 2012.

 

Original Research Publications/Presentations:

  • "Detection of Volatile Accelerants in Fire Debris. 1. A Comparative Evaluation... " Richard A. Strobel, Richard A. Tontarski, Larry F. Stewart, Philip Wineman presented at the American Academy of Forensic Sciences, New Orleans, Louisiana, February 1980, and the Mid-Atlantic Association of Forensic Scientists, combined meeting, Louisville, Kentucky, May 1980.
  • "Artificial Aging of Documents," L.F. Stewart. Published in the Journal of Forensic Sciences, Vol. 27, No. 2, April 1982.
  • "Ballpoint Ink Age Determination by Volatile Component Comparison," L.F. Stewart, Presented at the American Academy of Forensic Sciences meeting, Orlando, Florida, February 1982, and Mid-Atlantic Association of Forensic Scientists/Northeastem Association of Forensic Scientists joint meeting, Harrisburg, Pennsylvania, April 1982.
  • Published in the Journal of Forensic Sciences, April 1985.
  • "The Role of the Secret Service in Counterfeit Deterrence," L.F. Stewart.  Presented at the Mid-Atlantic Association of Forensic Scientists meeting, Baltimore, Maryland, April 1983.
  • "The Forensic Analysis of Printing Inks," Larry F. Stewart.  Presented at the American Society of Questioned Document Examiners, Lake Tahoe, Nevada, September 1983.
  • "Counterfeit Credit Card Deterrence," Larry F. Stewart.  Presented at the American Society of Questioned Document Examiners/Canadian Society of Forensic Scientists annual meeting, Montreal, Quebec, Canada, September 1985.
  • "Detection of Counterfeit Currency," Larry F. Stewart. Presented at the International Association of Identification conference, Arlington, Virginia, August 1987.
  • "Identification of United States Currency Security Fibers by Fourier Transform Infrared Spectroscopy," J.E. Brown and L.F. Stewart.  Presented at the Canadian Society of Forensic Scientists annual meeting, Toronto, Ontario, Canada, October, 1988.
  • "U.S. Secret Service Ink Identification System," J.W. Hargett, J.E. Brown and L.F. Stewart. Presented at the Canadian Society of Forensic Scientists annual meeting, Toronto, Ontario, Canada, October 1988.
  • "Use of Enlargement Ratios of Negatives and/or Printing Plates to Characterize Counterfeit Currency," L.F. Stewart, R.L. Outland and J.E. Brown.  Presented at the Canadian Society of Forensic Scientists annual meeting, Toronto, Ontario, Canada, October 1988
  • "Current Status of Ink Age Determination," L.F. Stewart and S.L Guertin.  Presented at the Ninth INTERPOL Forensic Science Symposium, INTERPOL Headquarters, Lyon, France, December 12, 1989.  Published in INTERPOL International Criminal Police Review, March-April, 1991.
  • "A.S.T.M. Standard for Writing Ink Comparisons," L.F. Stewart and J.L. Becker
  • Presented at the Mid-Atlantic Association of Forensic Scientists 1991 meeting, Bethesda, Maryland, May 31, 1991.
  • "Standard Guide For Test Methods For Forensic Writing Ink Comparisons," L.F. Stewart (Task Group Chairman).  Published in the American Society For Testing and Materials (ASTM), Standard Designation number E-1422-91, November 1991.
  • "Counterfeit Documents Produced by Color Copier Systems," L.F. Stewart, Presented at INTERPOL Headquarters, Lyon, France, December 11-19, 1991.
  • "Sentence Insertions Detected Through Ink, ESDA and Line Width Analysis," S.L. Fortunato and L.F. Stewart. Published in the Journal of Forensic Sciences, November 1992.
  • "Status of U.S.S.S. Ink Dating Program," J.W. Hargett and L.F. Stewart.  Presented at the Humboldt University, Berlin, Germany, April 2, 1993.  Published in Kriminalistik und Forensische Wissenschaften, No. 82, 1994.
  • "U.S.S.S. International Ink Library and Bulletin Board System," L.F. Stewart.  Presented at the Mid-Atlantic Association of Forensic Scientists meeting, Baltimore, Maryland, May 20, 1993.
  • "Standard Guide For Test Methods For Forensic Writing Ink Identifications," L.F. Stewart (Task Group Chairman).  Published in the American Society For Testing and Materials (ASTM), Standard Designation number E-1422, 1995.
  • "The Government Response to Ink Age Determination," L.F. Stewart, J.L. Becker.  Presented at the American Academy of Forensic Sciences meeting, Seattle, Washington, February 17, 1995.  Published in the International Criminal Police Review - INTERPOL, Spring, 1996.
  • “Distinguishing Between Relative Ink Age Determination and the Accelerated Aging Technique,” L.F. Stewart and S.L. Fortunato.  Published in the International Journal of Forensic Document Examiners, January/March, 1996.
  • “Forensic Examination of Financial Crimes Documents,” L.F. Stewart and J.W. Hargett.  Presented at the 6th European Conference for Police and Government Document Experts, London, United Kingdom, October 2-4, 1996 and the GFS Conference, Luzerne, Switzerland, September 9-12, 1997.
  • “Unusual Document Examination Approaches and Their Relationship to the Daubert Challenge,” L.F. Stewart. Presented at the American Board of Forensic Document Examiners meeting, Las Vegas, NV, June 23, 2002 and the American Society of Questioned Document Examiners meeting, San Diego, CA, August 14, 2002.
  • “Forensic Science – Fake Fingerprints?,” L.F. Stewart, Published in the Forensic Expert Witness Association, Fall, 2007.
  • "Leveling The Playing Field," L.F. Stewart. Presented at the California Association of Licensed Investigators, Central Coast meeting, Pismo Beach, California, December 4, 2008.
  • “Crime Scene Investigation,” L.F. Stewart, on-line course developed for and published by the American College of Forensic Examiners Institute, January 2009.
  • Identity Theft,” L.F. Stewart, A-Z Literary Book Publisher, 2009.
  • Document Examination,” L.F. Stewart, A-Z Literary Book Publisher, 2009.
  • “Forensic Science – Fake Fingerprints?,” L.F. Stewart, Published in the HG Experts Legal Experts Directory on-line publication, Spring, 2010.
  • “Forensic Science - The Good and the Bad,” L.F. Stewart, Published in the HG Experts Legal Experts Directory on-line publication, Spring, 2010.
  • “Forensic Science - Erroneous Handwriting Opinions,” L.F. Stewart, Published in the HG Experts Legal Experts Directory on-line publication, Spring, 2010.
  • “Forensic Handwriting Examination - Selecting Your Expert,” L.F. Stewart, Published in the HG Experts Legal Experts Directory on-line publication, Winter, 2011.

 

Professional Affiliations:

  • American Academy of Forensic Sciences - Fellow
  • Canadian Society of Forensic Scientists (past member)
  • American Society of Crime Laboratory Directors
  • Document Security Alliance (past member)
  • Mid-Atlantic Association of Forensic Scientists (past member)
  • California Association of Licensed Investigators
  • Forensic Expert Witness Association
  • American College of Forensic Examiners Institute
  • American Chemical Society
  • Association For Former Intelligence Officers
  • Business Espionage Controls & Countermeasures Association

 

Offices Held:

Mid Atlantic Association of Forensic Scientists

  • Secretary/Treasurer
  • November 1981 to October 1984.

American Society of Crime Laboratory Directors

  • Board of Directors
  • September 14, 2000 to September, 2003

Document Security Alliance

  • Board of Directors
  • December 2003 to November 2004

American Board of Forensic Examiners

  • Board of Directors
  • February, 2009 to December, 2009

The Academy

  • Board of Directors
  • June 2007 to present

The American College of Forensic Examiners Institute

  • Education Committee
  • July 2012 to present
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