Daughter is accused of stabbing her own mum to death before setting their home on fire in a horror murder-suicide plot – as the pair’s identity and struggles with crippling disabilities is revealed
- Mum, daughter have died in a house fire
- Police believe daughter killed her mum
- If you need help, contact Lifeline on 13 11 14
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A woman and her mum who she allegedly killed in a suspected murder-suicide on Monday morning have been identified.
Sally Davis, 41, is alleged to have stabbed her mother Trish Lambourne to death before setting their home in the Edwardstown suburb of Adelaide alight.
The emergency services, responding to the blaze at around 5am, reportedly discovered a knife, with which Ms Davis is thought to have stabbed her mother with.

Sally Davis (left) is alleged to have stabbed her mother Trish Lambourne (right) to death before setting their home in the Edwardstown suburb of Adelaide alight
A man who did gardening work for the pair said while Ms Lambourne was reported to be looking after Ms Davis, who seemed to struggle with disabilities herself.
Chris, who had been doing the gardening at the Emerald Street property for about a year, was in the area when the fire broke out.
‘I saw a commotion happening up that way so I went over and was shocked to see it was their house,’ he told Daily Mail Australia. ‘It is very sad.’
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The mother and daughter had kept to themselves since moving in to the community housing property, neighbours said.
A pictured posted to Twitter post in October 2021 shows both them wearing matching t-shirts with the words ‘it is against my religion to wear a mask or get a jab against my will’ written on them.
‘I believe in God not government’ was written on the back of Ms Davis’ shirt.
When the emergency services arrived, flames were contained to a single room in the house and once firefighters had extinguished the blaze, police officers found the bodies of the two women inside.
The mum and daughter lived in the home which was owned by a community housing provider called Your Place Housing.
More to come…

Police and emergency services were called to a house fire in Emerald Street, Edwardstown – 6km southwest of Adelaide CBD – around 5am on Monday

SA police confirmed the bodies of two women were located inside the house

The cause and circumstances of the fire and the death of both occupants remain under police investigation