Discoveries by West Virginia University forensic scientists about how gunshot residue behaves on skin, hair and fabric will allow crime scene investigators to catch up to the proliferation of new, eco-friendly types of ammunition and make faster, more informed decisions at crime scenes and in forensic laboratories. Lead and other toxic components of ammunition are crucial in establishing the presence of gunshot residue, or GSR, at crime scenes. However, heavy metals like lead aren't present in new "green" ammunitions that are changing the rules for GSR analysis, according to Tatiana Trejos , associate professor in the Eberly College of Arts and Sciences Department of Forensic and Investigative Science .

https://www.miragenews.com/wvu-forensics-lab-solves-case-on-newer-greener-1042276/

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