Problem: I would love to hear your thoughts on the Substantial Engagement questions, when you have an opportunity: How have deinstitutionalization and shifts in mental health law over recent decades contributed to the increased frequency with which law enforcement encounters persons with mental illness, and what does that trend reveal about the relationship between public health policy and criminal justice practice? When a criminal justice professional encounters someone behaving erratically in the field, what factors should guide the determination of whether that behavior warrants a criminal response, a mental health referral, or some combination of both? APA format. Need Assignment Help?