Vincent J. Desiderio is a Senior Forensic Chemist in the United States Postal Inspection Service-Forensic Laboratory Services in Dulles, Virginia.
Chris E. Taylor is a Supervisory Chemist at the Defense Forensic Science Center-US Army Criminal Investigation Laboratory in Forest Park, Georgia.
Niamh NicDaéid, PhD, is Professor of Forensic Science at the Center of Forensic Sciences, Department of Pure and Applied Chemistry at the University of Strathclyde, Royal College in Glasgow, Scotland.