Inquest into the Death of Callum MITCHELL

AI-generated summary

Callum Mitchell, aged 26, died by ligature compression of the neck (hanging) in his cell at Hakea Prison on 21 April 2019. He had a longstanding history of self-harm, severe personality disorders (borderline and antisocial), and significant adverse childhood experiences. Despite 55 self-harm incidents between January and April 2019, Callum was reduced from high to moderate ARMS (At Risk Management System) on 17 April 2019 following a PRAG meeting where he appeared settled. He was then placed in a three-point ligature-minimised cell where he had access to ligature points. Critical clinical lessons include: (1) the limitation of checkpoint-based risk assessment when risk factors fluctuate rapidly; (2) the need for specialist behavioural management support—SPS failed to provide an updated assessment when requested in April 2019, instead offering a 2017 plan; (3) the barrier created when access to mental health care is contingent on a major mental illness diagnosis—Callum's personality disorder and functional distress did not qualify him for psychiatric care; (4) the inadequacy of ARMS observations when staff were understaffed and had competing priorities; (5) the critical need for a tiered-care model based on functional need rather than diagnostic labels. System failures included the lack of specialised behaviour management resources, insufficient psychological services staff, absence of fully ligature-minimised cells, and failure to consider Casuarina transfer. While suicide prevention is inherently challenging, the quality of supervision and care fell below appropriate standards due to resource limitations and fragmented service delivery.

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