Perth teen accused of murdering Kiwi mother and two siblings ‘rejected’ from mental health services, says father

The New Zealand father of a 19-year-old Perth man accused the murdering his mother and two siblings says his son never received appropriate treatment despite a history of mental health issues.

Teancum Vernon Peterson-Crofts had been admitted to mental health facilities on numerous occasions, his father Awatea Crofts told the ABC.

Mr Crofts said his son had been hospitalised in Christchurch early in 2015. 

"It was very difficult for him and the mental health staff," Mr Crofts said.

"He just spiralled and spiralled and continued to spiral down, it was a perpetual, continual episode after episode."

Peterson-Crofts appeared in court on Monday charged with the murder of his 48-year-old mother Michelle Petersen, and her two children Rua, 8 and Bella, 15, at their home in the Perth suburb of Ellenbrook.

Petersen and Rua were found dead inside the home while Bella died on the way to hospital.

Mr Crofts said Peterson-Croft’s mother had done everything she could to help her son.

The Ellenbrook Murders
The Ellenbrook Murders. Source: 1 NEWS

"His mother did everything she could and just in the last days, her last six months, she was still doing everything she could but his condition had blown right out," he told ABC.

"From what I've heard, from other family members, he was rejected for whatever reasons from mental health [services] and Michelle his mum often had the police around."

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A police officer has called it the most horrific scene he’s been too. Source: 1 NEWS