Coronial
NTcommunity

Inquest into the death of Kumanjayi Johnson

Deceased

Kumanjayi Johnson

Demographics

45y, male

Date of death

2022-12-09

Finding date

2026-01-23

Cause of death

Environmental exposure and dehydration

AI-generated summary

A 45-year-old Aboriginal man with severe cognitive impairment (6.5-year-old equivalent English comprehension), traumatic brain injury, epilepsy and multiple medical conditions died from environmental exposure and dehydration after walking away from his supported independent living residence on 3 December 2022. Clinical lessons include: inadequate cultural safety and engagement with Aboriginal clients; failure to communicate critical risk information during emergency calls (000 calls not properly coded); absence of structured procedures for missing person reporting; poor coordination between disability service providers (LSS), behavioural support staff, and guardianship officers; lack of Aboriginal staff and cultural competency training; insufficient family communication and involvement despite extensive family support network. The death was preventable through better cultural engagement, improved communication protocols with emergency services, timely escalation of risk, and stronger family involvement in care planning.

AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes.

Contributing factors

  • Failure to adequately communicate risk and urgency in 000 calls
  • Incorrect CAD coding (welfare check rather than missing person)
  • Absence of missing person checklist provided to police
  • Inadequate cultural safety in supported independent living environment
  • Poor integration of positive behaviour support plan implementation
  • Insufficient family communication and engagement
  • Lack of coordination between Adult Guardianship Officer, support coordinator, behaviour support provider and SIL provider
  • Limited Aboriginal staff and cultural competency training
  • Insufficient funding for return to country and cultural support activities
  • Delayed search and rescue response due to resource constraints
  • Lack of search and rescue training for frontline officers completing urgency assessments
  • Inadequate Aboriginal liaison officer availability (day shifts only)
  • Behavioural escalation triggered by financial demands and fluid intake triggers (polydipsia)

Coroner's recommendations

  1. OPGT implement all seven recommendations from the internal review dated 18 March 2025, including: development of practice guideline for management of service competency concerns; review of initial and annual visits guidelines; routine supervisory review of visits reports; development of practice guideline for monitoring support coordination effectiveness; annual refresher training on communication obligations with family; annual training on cultural brokers and interpreters; and improved record keeping
  2. OPGT review policy and procedure concerning regularity of engagement with represented persons to meet more frequently than annually (suggested minimum: within 3 months of taking over file, then regularly thereafter)
  3. Lifestyle Solutions improve cultural safety in workforce and physical environment in consultation with Aboriginal organisations, Aboriginal staff and Aboriginal family members
  4. Lifestyle Solutions review and strengthen Missing Persons Procedure to include specific guidance about providing Personal Emergency Evacuation Plan information to Police with hard copies and email transmission
  5. Lifestyle Solutions review existing training and guidelines on reporting missing persons and develop 000 call guidelines and scenario-based training for all staff in supported independent living
  6. NT Police review JESCC operations to ensure integrity of event classification processes
  7. NT Police review and clarify which organisations must provide risk assessments, ensure awareness of obligations, and clarify necessary content for risk assessments
Full text

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