Fentanyl, Acetylfentanyl and Carfentanil in Impaired Driving Cases: A Review of 270 Cases Posted on December 16, 2021 By Becky Carter Elizabeth Kiely, Matthew Juhascik Journal of Analytical Toxicology, Volume 45, Issue 9, November 2021, Pages 913–917 Access paper Criminal Justice System, DREs / Traffic Safety Resource Prosecutors, Seized Drugs/Controlled Substances, Statistics and Data Analysis, Toxicology