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Meet the Experts: Eric Ray

Eric Ray is a Criminalist with the Arizona Department of Public Safety in the Latent Print Unit. Eric is a Certified Latent Print Examiner and a member of the International Association for Identification Special Committee on Probability Modeling; Training and Evaluation. Locally, he is the Treasurer and Webmaster for the Arizona Identification Council. Eric has worked to design protocols at his agency to reduce erroneous exclusions in latent print comparisons and has been invited to present this topic at conferences and for agencies around the country. With Penny Dechant he now teaches Exclusionology: Standards and Reducing Errors as an in-depth study of the latent print exclusion decision.


Curriculum Vitae




University of Arizona, B.S. Biochemistry / Molecular & Cellular Biology, 2000


Jun 2007 – present: Criminalist with Arizona Department of Public Safety Crime Laboratory, Latent Print Unit
Sep 2003 – Jun 2007: Field Service Representative with GE Infrastructure: Water & Process Technologies (formerly Ionics / Ecolochem)
Feb 2001 – Sep 2003: Clinical Laboratory Specialist with Blood Systems, Inc.
Sep 1999 – Feb 2001: Research Technician with University of Arizona – Arizona Cancer Center


International Association for Identification (IAI) (since 2008)
Arizona Identification Council (AIC) (since 2008)
IAI Special Committee on Probability Modeling; Training and Evaluation (since 2012)


IAI Certified Latent Print Examiner granted Feb 2010
AZ DPS Scientific Analysis Bureau Employee of the Year – 2012


Ray, E.; Dechant, P. Sufficiency and Standards for Exclusion Decisions, Journal of Forensic Identification, 2013, 63 (6), 675-697.
Ray, E. Frequency of Patterns in Palms, Journal of Forensic Identification, 2012, 62 (6), 568-587.