On-Demand Webinar: Vacuum Metal Deposition (VMD) – Latent Print Development

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This Webinar is now available free and on-demand, meaning you can learn more about the powerful Forensic VMD latent print development technique at a time that best suits you and your busy schedule.


  • Introduction– James Price
  • VMD Theory, Research and History – Dr Steve Bleay
  • New Auto VMD Launch
  • Latent Print Development - Processing Cotton Fabric
  • Casework review  – Donald Palmer, Westchester County Police
  • Latent Print Development - Processing Thermal Paper
  • A Year of using VMD Operationally  – Carol McCandless, Cumberland County DA's Office
  • Latent Print Development - Processing Fired Ammunition
  • VMD Application Guide

Dr Steve Bleay

Steve is a Senior Lecturer in Forensic Science at London South Bank University. He joined the university in 2019 after nearly 25 years in the scientific civil service, firstly at the Defence Evaluation and Research Agency, and then spent 16 years at the UK Home Office Centre for Applied Science and Technology where he became Senior Technical Specialist, primarily working within the Fingerprint Research Group. He has a BSc and PhD in Materials Science, both from the University of Bath, and is a Fellow of the Chartered Society of Forensic Sciences and a Member of the Institute of Materials Minerals and Mining.

Steve is an invited member of the International Fingerprint Research group and through collaborative networks formed from that membership has co-authored over 50 forensic science-related publications in peer-reviewed journals, is one of the principal authors of the world recognised Home Office Fingermark Visualisation Manual, and recently authored the text book ‘Fingerprint Development Techniques – Theory and Application’ published in 2018. He also acts as a Forensic Advisor to the Defence Science & Technology Laboratory, and as an ISO17025 Technical Assessor.

Mrs Carol McCandless

Carol is the Deputy Director of the Forensic Investigation Division for Cumberland County, Pennsylvania District Attorney’s Office. She originally started in toxicology in 2009, testing for DUI blood analysis for alcohol and drugs of abuse for the County and then went on to train in Crime Scene Investigation and as a Forensic Laboratory Analyst. Carol now leads Crime Scene Services for Cumberland County which service 18 local municipalities.

Carol is a Certified IAI Senior Crime Analyst and has degrees in Laboratory Technology and as a Registered Nurse. She also practices as a Forensic Nurse Examiner.

Cumberland County District Attorney’s Office obtained a West Technology Forensics VMD560 in 2019 with their Forensic Laboratory having not had access to the technology previously. VMD has now become a key part in their fight against crime and Carol will be discussing how VMD has changed the way they now process latent fingermarks.

Mr James Price

James is the Division Manager of West Technology Forensics. He joined in 2016 having previously worked internationally in the Forensic industry for the past 10 years. In his current position, James is responsible for overseeing international operations and training. He is also involved in VMD research projects and the continual innovation of the VMD range, utilising his background in Aerospace Engineering

UK based West Technology Forensics, is the leading manufacturer of Vacuum Metal Deposition Systems for latent fingerprint development on non and porous exhibits. Their VMD systems are the standard system used by UK forensic laboratories and are widely used by Government Agencies and Police Departments worldwide.