Dr. Richard Saferstein headed the crime laboratory of the New Jersey State Police from 1970 to 1991. Dr. Saferstein served as an expert witness over 2000 times in nearly 150 federal and state courts involving a variety of forensic issues. His areas of expertise encompassed breath and blood testing for alcohol, pharmacological effects of alcohol and drugs, detection and identification of drugs in biological fluids, fire debris analysis, the forensic examination of blood, semen, hair, paint, fiber, and glass as well as the review and evaluation of forensic DNA evidence. Dr. Saferstein was a prolific writer who authored numerous papers and had five books published by Prentice-Hall. His name can be found in the membership rolls of numerous professional organizations, which reflect his broad range of professional interests. Dr. Saferstein was a Fellow of the American Academy of Forensic Sciences. In 1970 Richard earned a PhD in Chemistry from the City University of New York (CUNY). Dr. Adam B. Hall is an Assistant Professor within the Biomedical Forensic Sciences Program, Department of Anatomy and Neurobiology at Boston University School of Medicine where he instructs and mentors graduate students in various areas of foren-sic chemistry and instrumental analysis. Dr. Hall is also the Associate Director of the Center for Advanced Research in Forensic Science (CARFS), a jointly supported NSF and NIJ Industry/University Cooperative Research Center (I/UCRC) in Forensic Science. His career has taken him from the crime scene to the crime lab as a forensic chem-ist with the Massachusetts State Police Crime Laboratory and now the academic lab. Previously, he was the Director of the Mass Spectrometry Facility at the Barnett Institute of Chemical and Biological Analysis, and a Lecturer within the Department of Chemistry and Chemical Biology at Northeastern University in Boston, Massachusetts. He earned a Bachelor’s degree in Chemistry from Stonehill College, a Master’s degree in Chemistry and a PhD in Analytical Chemistry from Northeastern University.