Larry F. Stewart, Chief Forensic Scientist, President
Global Forensic Services, LLC
793A East Foothill Boulevard, #200
San Luis Obispo, California 93405
805-595-1333 Fax: 805-595-3333
Cell: 202-550-6233
Email: contact@stewartforensicconsultants.com
Web Site: www.stewartforensicconsultants.com

Washington DC Office:
Stewart Forensic Consultants, LLC
1629 K Street, NW, Suite 300
Washington, DC 20006

Mail:
Stewart Forensic Consultants, LLC
793A East Foothill Boulevard, Suite 200
San Luis Obispo, California 93405


BIO

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 & 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 & the 2010 Brazilian presidential election scandal . He has testified as an expert witness in state, federal & military courts of law, as well as testified or been deposed in foreign court systems to include; Austria, Australia, Canada, Germany, Sri Lanka, & Thailand. He has also testified at The Hague in the Netherlands & three times before the U.S. Congress.

Mr. Stewart most recently held the position of Laboratory Director & Chief Forensic Scientist for the United States Secret Service. In that role, he managed up to 120 scientists, technicians, & support staff in the areas of document analysis, handwriting, fingerprints, trace evidence, audio & video analysis, photography, toolmarks, computer evidence & counterfeit analysis. In 2005, Mr. Stewart began the independent forensic consulting & investigative firm known as Stewart Forensic Consultants, LLC & its subsidiary, Global Investigative & Intelligence Services.

RESUME

Education
  • Associate of Arts Degree - June 1976
    Florida Technological University
    Orlando, Florida
  • Bachelor of Science in Forensic Science Degree - August 1979
    University of Central Florida
    Orlando, Florida
  • Master of Forensic Sciences Degree - 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 & State University
    Gaithersburg, Maryland
  • Advanced Gas Chromatography - March 1980
    Perkin-Elmer Corporation
  • Advanced High Pressure Liquid Chromatography Course - January 1981
    Virginia Polytechnic Institute & State University
    Washington, DC
  • Ink & Paper Analysis Seminar - 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 - 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 & Firearms

  • September 1979 through July 1982
    Forensic Chemist
    Bureau of Alcohol, Tobacco & Firearms

  • July, 1982 through June, 2005 (retired)
    • Counterfeit Specialist
    • Questioned Document Examiner
    • Lead, Instrumental Analysis Section
    • Lead, Instrumental & 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 & President
    Stewart Forensic Consultants, LLC
Instructor
  • Bureau of Alcohol, Tobacco & 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 & February 1981 - Washington, DC
  • Montgomery College
    Ink & Paper Analysis/Instrumental Techniques
    February 1982 - Rockville, Maryland
  • DocSec'85
    Document Security
    May 1985 - Washington, DC
  • George Washington University
    Ink & Paper Analysis
    February 1986 - Washington, DC
  • Inspector Generals Office - Health & 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 & Biology in the Forensic Sciences
    April 1994 - Lexington, Virginia
  • UCLA
    Forensic Examination of Financial & 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 & 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 & 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 & 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 & 1990 before the Subcommittee on Oversight & Investigations of the Committee on Energy & 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 & 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" & "Writing Ink Identifications."
  • United States Delegate at the 14th European Meeting on Currency Counterfeiting, The Hague, The Netherlands, October 9-11, 1991 & the First International Conference on Fraudulent Documents, Ottawa, Canada, April 27- May 1, 1992.
  • United States Delegate at the 6th European Conference for Police & Government Experts, London, United Kingdom, October 2-4, 1996. Presented a paper on Ink Dating, Relative & Absolute: New Approaches to Old Problems.
  • Testified on July 22, 1999 before the House Judiciary Committee, Subcommittee on Immigration & Claims, U.S. House of Representatives. This matter concerned detection & 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 & 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 & 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 & Law Enforcement Affairs in Tbilisi, Georgia, May, 2008.
  • Elected to the Board of Directors for the American Board of Forensic Examiners, February, 2009.
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, & 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, & 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 Associationof Identification conference, Arlington, Virginia, August 1987.

  • "Identification of United States Currency Security Fibers by Fourier Transform Infrared Spectroscopy," J.E. Brown & 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 & L.F. Stewart. Presented at the Canadian Society of Forensic Scientists annual meeting, Toronto, Ontario, Canada, October 1988.

  • "Use of Enlargement Ratios of Negatives &/or Printing Plates to Characterize Counterfeit Currency," L.F. Stewart, R.L. Outland & 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 & 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 & 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 & 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 & Line Width Analysis," S.L. Fortunato & L.F. Stewart. Published in the Journal of Forensic Sciences, November 1992.

  • "Status of U.S.S.S. Ink Dating Program," J.W. Hargett & 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 & Bulletin Board System," L.F. Stewart. Presented at theMid-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 & 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 & the Accelerated Aging Technique,” L.F. Stewart & S.L. Fortunato. Published in the International Journal of Forensic Document Examiners, January/March, 1996.

  • “Forensic Examination of Financial Crimes Documents,” L.F. Stewart & J.W. Hargett. Presented at the 6th European Conference for Police & Government Document Experts, London, United Kingdom, October 2-4, 1996 & the GFS Conference, Luzerne, Switzerland, September 9-12, 1997.

  • “Unusual Document Examination Approaches & 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 & 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 & 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 & 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 HGExperts 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 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 2000 to September 2003
  • Document Security Alliance
    Board of Directors
    December 2003 to November 2004
  • The Academy Board of Directors
    June 2007 to present
  • American Board of Forensic Examiners
    Board of Directors
    February 2009 to December 2009

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