Warren Bulmer was a member of the Toronto Police Service for 30 years and in 2020 he retired from being a Detective Constable. Warren’s policing career has predominantly been spent within the field of criminal investigation. Since 2008, he has been an international instructor in computer- and Internet-facilitated crime, having lectured over 7,000 judges, prosecutors, and police from 39 different countries to date. Warren has taught at the United Nations in Bangkok, Thailand; the Canadian Police College; and the Ontario Police College and was a part-time faculty member at Humber College, where he instructed students in conducting online investigations and open-source intelligence techniques (OSINT). Warren has testified in court on many occasions as an expert witness in various capacities relating to digital evidence and computer forensic analysis as well as in the operation of social networks. He has also received awards for investigative excellence and holds a Police Exemplary Service Medal for his continuous public service. Since February 2020, he has been working for the Australian Federal Police in Brisbane, Queensland, as the Product Manager at the Australian Centre to Counter Child Exploitation. Warren also guest lectures in the University of Queensland’s Cyber Criminology undergraduate and graduate programs.