Conference ProceedingsUtilization of Commercial Portable Instruments for Screening Hand Swabs for the Presence of Firearms Discharge Residue (FDR): Validation of Commercial IMS and XRF Instruments to Screen for FDRPresenting section:Criminalistics2015Stewart, James, Richmond VA; Bustin, Katelyn, Morgantown WV; Dross, Ryan, Morgantown WV; Yeager, Brittany, Clarksburg WV; Bell, Suzanne, WVView the paperCriminalistics