For several decades, the University of Calgary, Canada, housed an otherwise community-based service for people with dual diagnoses: developmental delay, plus a behavioural disorder. The mandate of "The Behaviour Support Team" was to support clients who were transitioning from institutions into community living. The Team was for many years considered the agency of last resort. Virtually all people who were receiving service were diagnosed with a mental health disorder, along with a second disabling condition; for example, visual impairment, brain injury, genetic skin disorders, deafness...