How Two Mexican Drug Cartels Came to Dominate America’s Fentanyl Supply Posted on October 10, 2022October 10, 2022 By sdargoltz Jon Kamp, José de Córdoba and Julie Wernau Wall St J; August 30, 2022 Read online Chemistry, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Forensic Pathology and Medicolegal Death Investigation, Seized Drugs/Controlled Substances, Toxicology