Organic impurity profiling of fentanyl samples associated with recent clandestine laboratory methods Posted on October 12, 2023October 12, 2023 By Becky Carter Steven G. Toske PhD, Jennifer R. Mitchell MS, James M. Myslinski PhD, Andrew J. Walz PhD, David B. Guthrie PhD, Elizabeth M. Guest PhD, Charlotte A. Corbett PhD, Emily D. Lockhart MS J Forensic Sci; 68(5); 2023 Access article Chemistry, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Forensic Pathology and Medicolegal Death Investigation, Seized Drugs/Controlled Substances, Toxicology