Drug testing for mitragynine and kratom: Analytical challenges and medico-legal considerations Posted on March 20, 2023 By Becky Carter Anders Helander, Alexia Rylski Drug Test Anal; 15(2); 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