The Honourable Justice David M. Paciocco of the Ontario Court of Justice is formerly a Professor of Law at the University of Ottawa, Common Law Section. While a professor, he served as a prosecutor over a several year period before engaging in a specialized criminal defence practice. He has written extensively about criminal law and is a frequent lecturer at continuing education programs for judges and lawyers. His academic writings have been relied upon, on numerous occasions, by courts in Canada, New Zealand, Australia and by the Privy Council.