What Police and Attorneys Need to Know about Gunshot Residue Analysis

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Gunshot Residue AnalysisOriginal Event Date: Tuesday, January 22, 2013
Duration: 1 Hour
Presenters: David Exline, Senior V.P. & Court-Qualified Trace Evidence Expert, & Rebekah Wagurak, Forensic Scientist, at Gateway Analytical
Host: Shawn Wilhelm, Marketing Coordinator, Gateway Analytical

This webinar was designed for police and attorneys and built upon the information provided in our previous webinar, “Forensic Analysis of Gunshot Residue for Police & Attorneys.”  During this webinar, our presenters provided police officers with tips on the proper collection for gunshot residue  analysis, as well as, the methodology used to analyze and interpret the data utilizing automated scanning electron microscopes (SEM).  Our presenters also took attendees into the courtroom, providing attorneys with insight into the significance of gunshot residue evidence during a case, and what implications can be made from this type of evidence during expert testimony.

Highlighted Topics Covered

  • Tips for proper evidence collection methods for gunshot residue
  • Detailed information on methodology and interpretation of automated SEM data for gunshot residue analysis
  • Significance of gunshot residue evidence to a case
  • Implications that can be made from this type of evidence

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Presenter Bios:

David Exline

David Exline

David Exline, Senior V.P. & Court-Qualified Trace Evidence Expert
Gateway Analytical

David is a court-qualified expert in the area of trace evidence examination and has instructed law enforcement agencies, attorneys and students in the collection, preservation and examination of various types of trace evidence, including hairs, fibers, paints and gunshot residue.

David earned his MSFS in Forensic Science from the University of Alabama Birmingham, and has more than 15 years of experience in specialized trace evidence examination, including cold case review, accident investigation, industrial and pharmaceutical forensics.

Rebekah Wagurak

Rebekah Wagurak, Forensic Scientist
Gateway Analytical

Rebekah has several years of experience working under quality systems in both clinical and analytical laboratory settings, including cGMP and ISO environments.  She has over three years of experience in materials characterization for the forensic industry and is well-versed in analytical testing techniques, including SEM-EDS, microscopy, FTIR, Raman, and molecular/DNA analysis.  She has experience working on cases specific to the analysis of gunshot residue.

Rebekah earned her MSFS in Forensic Science and Law from Duquesne University, where she is now an adjunct professor for the forensics program.  She is a member of the American Society of Trace Evidence Examiners and has presented work at the Mid-Atlantic Association of Forensic Scientists annual meeting.