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âWe have failed youâ: WA judge finds mentally ill teenager not guilty of murdering his family
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Western Australiaâs Supreme Court Chief Justice has labelled the stateâs mental health system a failure as he found an Ellenbrook teenager with schizophrenia not guilty of murdering his family due to unsoundness of mind.
Teancum Petersen-Crofts, now 21, stabbed his mother Michelle Petersen, 48, sister Bella, 15, and brother Rua, 8, to death on July 15, 2018 inside their home while in psychosis.
During the final day of his Supreme Court trial on Monday, Chief Justice Peter Quinlan heard Mr Petersen-Crofts was not assessed by a psychiatrist or admitted to hospital after police took him there under the Mental Health Act the night before the killings.