Drug Checking (Q2 2022): Philadelphia, Pennsylvania, USA Posted on June 24, 2022June 24, 2022 By Becky Carter Alex J. Krotulski, PhD; Jen Shinefeld, MS; Jeffrey Hom, MD, MPH; Sara E. Walton, BS; Joshua DeBord, PhD; Barry K. Logan, PhD, F-ABFT CFSRE; June 7, 2022 Access article 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 Tags:CFSRE