Witnesses: From the Guardian Interlock Systems: Ian Marples, President; Jean-Claude Mercure, « Chargé du projet », Quebec; From the Canadian Society for Forensic Science: Joel Mayer, Member and Toxicologist, Drugs and Driving Committee; From the Department of Justice: Donald Piragoff, General Counsel, Criminal Law Policy Section; Hal Pruden, Counsel, Criminal Law Policy Section.
Témoins : De " Guardian Interlock Systems " : Ian Marples, président; Jean-Claude Mercure, chargé du projet, Québec. De la Société canadienne des sciences judiciaires : Joel Mayer, membre et toxicologue, Comité sur la conduite et les drogues.