Credentials
Linton A. Mohammed, PH.D., D-ABFDE
Linton Mohammed is certified by the American Board of Forensic Document Examiners (ABFDE) and earned a Diploma in Document Examination from the Forensic Science Society (United Kingdom). He is a Fellow of the Questioned Document Section of the American Academy of Forensic Sciences (AAFS), a member of the American Society of Questioned Document Examiners (ASQDE), the Chartered Forensic Science Society, and the Canadian Society of Forensic Science. He has served on the ASQDE Executive Committee as Director (2004-2006), Treasurer (2006-2008), Vice President (2008-2010), and completed a two-year term as President in 2012.
Linton graduated from the University of the West Indies in 1984 with a Bachelor of Science Degree. He trained full time in Document Examination from 1986 to 1988 at the Trinidad and Tobago Forensic Science Center, Port of Spain, Trinidad and worked as a Forensic Document Examiner in Trinidad & Tobago from 1989 to 1993. He then moved to the U.K., where he worked as a Forensic Document Examiner at the Laboratory of the Government Chemist in England from 1993 to 1996, before accepting a position with the San Diego County Sheriff’s Crime Laboratory, where he worked from 1996 to his retirement in 2010. Linton earned a Master of Forensic Sciences from National University in 2005, and a Doctorate in Human Biosciences at La Trobe University, Melbourne, Australia. His doctoral thesis was focused on the forensic examination of genuine, disguised, and forged signatures.
Linton maintained a private practice with Associated Document Examiners from 1997 to 2010, was associated with Rile & Hicks in Long Beach, the successor to Harris & Harris, from 2010 to 2012, and now exclusively works from his office in the Poway, CA (County of San Diego).
Linton has testified as an expert more than 250 times in his specialty in both civil and criminal cases in the United States, England, Trinidad & Tobago and St. Vincent. A Federal Rule 26 listing of prior testimonies is available upon request. He is retained routinely throughout the US and internationally.
Linton is recognized as one of the leading researchers in Forensic Document Examination and specifically in signature and handwriting examination. In 2022, he received the Albert S. Osborn Award of Excellence from the American Society of Questioned Document Examiners (ASQDE). In 2012, he received the New Horizon Award “In Recognition of His Exceptional Contributions to Scientific Research for the Advancement of Forensic Document Examination” from the American Board of Forensic Document Examiners, Inc. (ABFDE). In 2019, he received the American Academy of Forensic Sciences Questioned Documents Section Ordway Hilton Award “In Recognition of Outstanding Contributions to Forensic Document Examination.
Some of his recent research was published in the book, “The Neuroscience of Handwriting: Applications for Forensic Document Examination”. This book, co-authored with Professor Michael Caligiuri of the University of California, San Diego, was published in 2012 by CRC Press.
Credentials Include:
- Chair, Questioned Documents Section - American Academy of Forensic Sciences 2016-2018
- ASQDE Member and Past President
- Certified by the American Board of Forensic Document Examiners, inc. continuously from 1998.
- Diploma in Document Examination - Chartered Society of Forensic Sciences, England since 1996.
- ABFDE New Horizon Award Recipient (2012) for research in the field of Forensic Document Examination
- AAFS Questioned Documents Section Ordway Hilton Award Recipient (2019) "In Recognition of Outstanding Contributions to Forensic Document Examination."
- Author of "Forensic Examination of Signatures"
- Co-author of "The Neuroscience of Handwriting: Applications for Forensic Document Examination"
- Expert testimony in U.S., England, Caribbean more than 150 times.
In a recent case in Los Angeles, the Arbitrator in his judgment wrote,...
Continued!
Dr. Mohammed served for 2 years as a member of the Scientific Area Committee (SAC) for Physics/Pattern Evidence. This SAC oversees Forensic Document Examination, and examinations in Firearms and Tool marks, Latent Prints, Footwear & Tire Track, and Blood Spatter. This committee is working within the National Institute of Science and Technology/Organization of Scientific Area Committees (NIST/OSAC) to develop standards for the forensic sciences.
http://www.nist.gov/forensics/osac/index.cfm
Linton was also appointed in 2015 to the Expert Working Group in Human Factors in Handwriting Examination. This group is sponsored by the National Institute of Justice and the National Institute of Standards and Technology.
In 2017, Dr. Mohammed was appointed to the Board of Directors of the Academy Standards Board, served as the Chair from 2020-2021. His term ended in 2024. ASB is a Standards Development Organization that functions under the auspices of the American Academy of Forensic Sciences.