Police officers regularly encounter people at the most dangerous points of substance use trajectories: overdose risk, acute withdrawal, mental health crisis, and public disorder driven by unmet treatment need. In many jurisdictions, arrest becomes the default pathwayānot because it is effective, but because no operational alternative exists in the moment. High-performing systems design police-led pre-arrest diversion as a structured pathway with clear eligibility rules, real-time clinical handoff options, and follow-through accountability. This article sits within justice system interfaces and diversion pathways and depends on responsive community-based SUD service models that can accept referrals immediately.
The focus is operational reality: what officers do on scene, how decisions are justified, how risk is managed without custody, and how diversion avoids becoming a symbolic policy rather than a functioning pathway.
Why pre-arrest diversion fails when it is left to officer discretion alone
Many police agencies announce diversion policies but leave implementation to individual officers under pressure. Without structured decision rules, officers default to arrest to manage liability, time constraints, and uncertainty about follow-up. Diversion then becomes inconsistent, difficult to defend, and vulnerable to criticism from prosecutors, community members, and officers themselves.
Two oversight expectations police-led diversion must meet
Expectation 1: Arrest reduction must be paired with demonstrable risk management
Elected officials and police leadership will expect evidence that diversion does not increase harm. Programs must show how overdose risk, public safety concerns, and repeat calls are actively managed rather than ignored.
Expectation 2: Decision-making must be consistent, documented, and reviewable
Oversight bodies increasingly expect clear criteria for when diversion is used, how decisions are recorded, and how supervisors review patterns for equity, effectiveness, and safety.
Operational example 1: On-scene diversion eligibility rules embedded into patrol workflow
What happens in day-to-day delivery
The department defines a short, clear diversion eligibility checklist embedded into patrol workflow tools (MDTs or mobile apps). Criteria typically include offense type (e.g., low-level possession, public intoxication), absence of immediate violent risk, willingness to accept services, and medical stability. Officers are trained to complete the checklist quickly and to record the rationale for diversion or arrest.
Supervisors reinforce that eligibility rules protect officers by standardizing decisions. When diversion is used, the officer records the handoff destinationācrisis center, sobering unit, mobile MAT team, or community intake hubāand receives confirmation that the receiving service accepted the referral.
Why the practice exists (failure mode it addresses)
The failure mode is inconsistent discretionary decision-making. Without clear rules, diversion appears arbitrary and officers revert to arrest to avoid second-guessing.
What goes wrong if it is absent
Diversion rates vary wildly by officer, shift, or neighborhood. Officers lack confidence that decisions will be supported, and leadership cannot explain why arrest patterns persist.
What observable outcome it produces
Outcomes include increased diversion use, reduced low-level arrests, and improved officer confidence. Evidence includes checklist completion rates, arrest-to-diversion ratios, and supervisory review logs.
Operational example 2: Real-time clinical handoff rather than delayed referral
What happens in day-to-day delivery
Diversion succeeds when officers can transfer responsibility immediately. High-performing systems establish 24/7 handoff options: crisis stabilization units, sobering centers, mobile crisis clinicians, or MAT-capable intake sites. Officers remain on scene only until custody is formally transferred, receiving confirmation of acceptance.
For opioid-related encounters, handoff includes overdose risk screening and rapid MAT planning. Some jurisdictions deploy co-responder models where clinicians arrive on scene; others route transport directly to MAT-enabled facilities. Officers document the handoff as a completed diversion, not an informal release.
Why the practice exists (failure mode it addresses)
The failure mode is āreferral without transfer.ā When officers simply provide information or advise follow-up, engagement rarely occurs.
What goes wrong if it is absent
Individuals are released back into the community without support, often re-encountered within days. Officers conclude diversion ādoesnāt work.ā
What observable outcome it produces
Observable outcomes include higher service engagement, fewer repeat calls for service, and reduced overdose events following police contact. Evidence includes handoff completion data and call-for-service trends.
Operational example 3: Supervisor review and feedback loops that stabilize diversion practice
What happens in day-to-day delivery
Supervisors review diversion decisions weekly, focusing on patterns rather than individual blame. Reviews examine eligibility adherence, demographic equity, repeat encounters, and outcomes. Officers receive feedback and additional coaching where diversion is underused or misapplied.
Aggregate data is shared with community partners to identify capacity gapsātimes when diversion was attempted but no service was availableāprompting system-level fixes rather than frontline blame.
Why the practice exists (failure mode it addresses)
The failure mode is drift. Without feedback, diversion erodes over time as staffing changes and operational pressure increases.
What goes wrong if it is absent
Diversion becomes episodic and symbolic. Leadership cannot explain outcomes, and external critics frame the program as ineffective or unsafe.
What observable outcome it produces
Outcomes include sustained diversion use, improved equity, and stronger officer buy-in. Evidence includes trend stability over time and reduced variance across units.
System takeaway: diversion must be easier than arrest
Police-led pre-arrest diversion works when officers have clear rules, immediate handoff options, and supervisory backing. When diversion is operationally easier than arrest, it becomes the default pathway rather than the exception.