Recommendations for Toxicological Investigation of Drug-Impaired Driving and Motor Vehicle Fatalities—2021 Update Posted on June 29, 2023 By sdargoltz Amanda L D’Orazio, Amanda L.A Mohr, Ayako Chan-Hosokawa, Curt Harper, Marilyn A Huestis, Jennifer F Limoges, Amy K Miles, Colleen E Scarneo, Sarah Kerrigan, Laura J Liddicoat, Karen S Scott, and Barry K Logan J Anal Tox; 45(6); 2021 Access article Alcohol, Cannabis and Cannabinoids, Chemistry, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Forensic Pathology and Medicolegal Death Investigation, Seized Drugs/Controlled Substances, Toxicology