Coronial
VICother

Finding into death of Tyler Cassidy

Deceased

Tyler Jordan Cassidy

Demographics

15y, male

Date of death

2008-12-11

Finding date

2011-11-23

Cause of death

Gunshot wound to the chest

AI-generated summary

Tyler Cassidy, a 15-year-old boy, was fatally shot by Victoria Police on 11 December 2008 during a mental health crisis. He had stolen two large kitchen knives from Kmart and made threatening statements, explicitly demanding police shoot him. Police attempted verbal commands, OC foam spray, warning shots, and leg shots before LSC Dods fired lethal shots at Tyler's chest as Tyler continued advancing with knives after multiple failed de-escalation attempts. Tyler had a history of oppositional defiant disorder, anger management issues, recent grief over his father's death, and alcohol use that evening. The coroner found no single preventable failure but noted shortfalls in operational safety training, communication between responders, and investigation procedures. Key lessons include improved recognition of mental health crises in young people, better police training on vulnerable youth, and more robust investigation models for police-involved deaths.

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

Contributing factors

  • Mental health crisis with uncontrolled anger and aggression
  • Alcohol intoxication
  • History of oppositional defiant disorder and unresolved grief
  • Escalating behaviour throughout the evening
  • Explicit verbal demands for police to shoot him
  • Continued advance with knives despite multiple de-escalation attempts
  • Inadequate communication between police units on scene
  • Cordon-and-contain instruction not fully implemented
  • Police training gaps in dealing with vulnerable young people
  • Limited information available to police about Tyler's age and mental state

Coroner's recommendations

  1. Improve training specific to dealing with vulnerable and mentally unwell young people
  2. Enhance police operational safety and tactics training with emphasis on verbal communication and conflict resolution skills, not just equipment
  3. Implement data and trend monitoring to analyse police shootings and ensure evidence-based training developments
  4. Develop training specific to 'suicide by cop' recognition and response
  5. Establish better inter-agency communication protocols between police units responding to emergencies
  6. Improve crisis negotiation training for young people experiencing mental health distress
  7. Review model of police investigating police for coroner inquiries to ensure greater independence and impartiality
  8. Ensure timely recovery of forensic evidence including ballistic evidence at scenes
  9. Implement protocols for early contact with Homicide Squad in police-involved deaths
  10. Improve family support and notification procedures following fatal police incidents
Full text

Source and disclaimer

This page reproduces or summarises information from publicly available findings published by Australian coroners' courts. Coronial is an independent educational resource and is not affiliated with, endorsed by, or acting on behalf of any coronial court or government body.

Content may be incomplete, reformatted, or summarised. All court orders for redaction and non-publication are respected; documents with technically defective redaction have been excluded from the database entirely. Always refer to the original court publication for the authoritative record.

Copyright in original materials remains with the relevant government jurisdiction. AI-generated summaries and tagging are for educational purposes only, may contain inaccuracies, and must not be treated as legal documents. We welcome feedback for correction —