GSRResearch2 (IMAGE) West Virginia University Caption WVU Forensic and Investigative Science researchers Kourtney Dalzell, graduate student; Luis Arroyo and Tatiana Trejos, associate professors; and Thomas Lederberger, graduate student. Credit WVU Photo/Matt Sunday Usage Restrictions NONE License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.