In the summer of 2012, a forensic toxicologist from the B.C. Coroner's Service examined a blood sample to help determine the cause of death in a case that pointed to a drug overdose. He was asked to look for lethal levels of OxyContin, but he made a surprising find: The culprit was fentanyl, which at that time was not known as a street drug in Canada.
tgam.ca/2RyE0iA via @globeandmail