Fentanyl Profiling Program Report – CY 2021 Posted on September 8, 2022September 8, 2022 By sdargoltz Special Testing and Research Laboratory DEA; August 2022 Access article Chemistry, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Forensic Pathology and Medicolegal Death Investigation, Seized Drugs/Controlled Substances, Toxicology