Mark Mastaglio - Firearms Expert

Mark Mastaglio Photograph

Mark Mastaglio – Firearms Expert

Mark Mastaglio started his career in 1985 with the Ministry of Defence working in explosives research and development at Waltham Abbey and the Royal Military College of Science, Shrivenham. In 1989 he transferred to the former Metropolitan Police Forensic Science Laboratory where he specialized in firearms. He steadily rose through the ranks and in 2005 became the most senior firearms forensic scientist within the Forensic Science Service (FSS).

Internationally acknowledged as an expert on firearms Mark was the FSS lead firearms scientist in all matters concerning casework and process quality, designing competence testing regimes and implementing all standards and competencies used in the FSS firearms service. He also provided leadership in technical innovation, cold-case review, defence investigations and complex legal interpretation cases. In 2009 his pre-eminence within Europe was reconised when he was elected chairman of the European Network of Forensic Science Institutes (ENFSI), Firearms/GSR Expert Working Group, the largest expert Working Group in ENFSI. Stepping down as chairman in 2011 due to the closure of the FSS, it was unanimously decided to award Mark Associate Member status.

Mark has worked on complex, sensitive and high-profile case in the UK and across the globe. His expert- witness testimony has been pivotal in the full range of firearms offence cases. These cases range from the illegal possession of firearms and ammunition to murder and terrorist investigations. Mark has also played a vital role in the interpretation of firearms law in complex technical cases. His International work has included cases originating from homicides in Kosovo, Jamaica, Nigeria and Iraq. He has delivered evidence as an expert witness for over 20 years in Magistrates’, Crown, Coroners’, Appeal and Military courts.

Mark has an in-depth knowledge of all firearms licensing compliance issues and was a member of the Association of Chief Police Officers (ACPO) Firearms and Explosives Licensing Working Group, together with its associated technical sub-groups.

Mark was also responsible for the continuous professional development of the FSS’ firearms forensic scientists and helped to develop a modular training platform for firearms internal and external students. Mark is also a trained auditor and provided leadership in the development and monitoring of Quality Management Systems against the ISO17025 standard. He is highly experienced in troubleshooting quality failures and developing necessary recovery plans.

In 2010 Mark was approached by The Royal Society of Chemistry who asked him to provide the firearms input for the textbook ‘Crime Scene to Court: The Essentials of Forensic Science’, ISBN: 978-1-84755-882-4, which is one of the leading forensic science textbooks. In 2012 Mark co-authored the paper, “A discussion on the usefulness of a shared European ballistic image database“ which addressed the highly topical issue of how currently available technology can assist in the fight against cross-border gun crime.

In recognition of Marks contribution to firearms forensic science the Forensic Science Society made him a Fellow in 2012. With the demise of the FSS Mark co-founded the Forensic Firearms Consultancy (FFC) Ltd with the goal of providing impartial, robust forensic science and firearms related advice. Please see Forensic Firearms Consultancy.

Mark was a member of the following national and international bodies and committees; Association of Chief Police Officers (ACPO) Firearms and Explosives Licensing Working Group (FELWG), ACPO FELWG Firearms Technical Panel, Home Office Forensic Firearms Standards Group, the statutory Historic Firearms Reference Panel, Home Office/ACPO/British Shooting Sports Council Forum, Ministry of Defence/Royal Armouries Service Level Agreement Committee, Senior Associate National Ballistics Intelligence Service (NABIS), NABIS Scientific Services Group, the Council for the Registration of Forensic Practitioners (CRFP) –Lead Assessor until its demise in 2009, Chair of the ENFSI Firearms/GSR Expert Working Group.

Mark is a Fellow of the Forensic Science Society, a member of the Association of Firearms and Toolmark Examiners, an Associate member of the ENFSI Firearms/GSR Expert Working Group and an international assessor for the Netherlands Register of Forensic Experts

Further details can be found at Mark’s Linkedin Profile page.

Mark Mastaglio can be contacted at: