Andrew J. R. Harris, Ph.D., C. Psych. was previously employed in both research and clinical capacities by the Solicitor General Canada, the Oak Ridge (Maximum Security) division of the Penetanguishene Mental Health Centre, and at a general acute care hospital, York Central Hospital, Richmond Hill, Ontario. Dr. Harris has a private clinical and consulting practice in Ontario, Canada and speaks on the history of prison architecture, risk assessment for violent, sexual, and pornography offenders, psychopathy, and high-risk offenders.