Schedules of Controlled Substances: Placement of Nine Specific Fentanyl-Related Substances in Schedule Posted on May 10, 2023 By sdargoltz DEA; April 13, 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 Tags:DEA