James G. Wigmore worked as a forensic toxicologist for over twenty-nine years at one of the foremost forensic laboratories in North America — the Centre of Forensic Sciences in Toronto, Ontario. He has testified in over 700 criminal cases throughout Canada and in numerous personal injury civil cases and coroner’s inquests. He has published over seventy scientific articles in forensic toxicology, which have been cited by the Supreme Court of Canada (R v St Onge-Lamoreux, 2012) and the High Court in Cape Town, South Africa (S vs Hendricks, 2013). In 2005, he was awarded the prestigious Derome Award from the Canadian Society of Forensic Science in recognition of outstanding contributions in the field of forensic sciences. From 2004 to 2012, he taught at the Robert F. Borkenstein Course at Indiana University in Bloomington. Wigmore on Cannabis is his third book published with Irwin Law.