RJ Lee Group Headquarters

  • Gunshot Residue Analysis
  • Expert Witness Testimony
  • Trace Evidence Analysis
  • SEM/EDS Analysis
  • Microscopy
  • QA Analysis

Stephanie Horner Hrico

Forensic Scientist & Quality Assurance Analyst

Stephanie Horner Hrico is an expert in the preparation, analysis, interpretation and reporting of gunshot residue (GSR) evidence using Scanning Electron Microscopy/Energy Dispersive Spectroscopy (SEM/EDS). She is qualified as an expert witness for criminal trial in the states of North Dakota, Utah, Arizona, Texas, Nebraska, Iowa, Michigan, Florida, New Hampshire, New York, Pennsylvania, New Jersey, Delaware, and Maryland, as well as in New Zealand. Ms. Horner’s background includes hands-on experience in project management for QA testing, equipment maintenance, and cell cultures using aseptic techniques, as well as the development of Standard Operating Procedures (SOPs) for Clinical Trials laboratories.

She is an active member of the team responsible for the laboratory’s successful accreditation by ASCLD/LAB in the areas of Trace Evidence – Gunshot Residue (GSR) and GSR Distance Determination.  Her diverse experience expands the Forensic Science department’s capabilities while helping to augment the range of services of related departments. Ms. Horner is also a professor at Duquesne University, teaching Explosives and Arson Investigation.

Contact Stephanie Horner

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Education History

  1. 2010

    M.S., Forensic Science and Law

    Duquesne University
  2. 2009

    B.A., Biochemistry

    Duquesne University

Professional Experience

  1. Present
    Forensic Scientist
    RJ Lee Group, Inc.
  2. 2011 - 2012
    Research Associate
    Precision Therapeutics
  3. 2010 - 2011
    Clinical Lab Technician
    Precision Therapeutics
  4. 2009 - 2012
    Education Research Assistant
    West Virginia University
  5. 2008 - 2009
    HPLC Intern
    National Medical Services Lab


  • Member
    Phi Sigma Lambda Professional Forensic Fraternity