David Davidson Lawson, a 41-year-old Aboriginal man with chronic alcohol use disorder and a history of psychotic symptoms during withdrawal, disappeared from a remote homestead on the Dampier Peninsula in October 2010. He was last seen exhibiting acute psychosis with auditory hallucinations and paranoid delusions about evil spirits and bush men. Despite an extensive multi-agency search, his body was never found. The coroner established death beyond reasonable doubt based on the remote location, harsh environment, his psychological state likely preventing self-care and survival planning, and absence of any contact with services or family afterwards. The cause of death remains unascertained; likely possibilities include dehydration, self-harm related to psychosis, crocodile predation, or drowning. This case highlights the vulnerability of individuals with mental illness and substance use disorders in remote settings, and challenges in managing acute psychiatric crises in isolated communities.
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