Detective John MargetsonDetective John Margetson, Toronto Police Service
Detective John Margetson is a 29-year veteran of the Toronto Police presently serving as a supervisor with the Organized Crime Enforcement-Drug Squad. Detective Margetson is a recognized drug expert providing expert testimony, at all levels of court, on major drug investigation and organized crime groups. He has served as an investigator with the Homicide Squad, Major Crime Unit, Vice Section and Criminal Investigation Bureau. Detective Margetson has provided numerous educational lectures on drug issues and policing to various community and police organizations which includes the Ontario Police College. Detective Margetson presently instructs part-time at the Toronto Police College, Humber College, and Centennial College.