Rimoni Muliaga, 44, repeatedly thrust a big kitchen knife into Lise Muliaga, 37, within the backyard of his brother’s bungalow.

Rimoni Muliaga, his spouse Lise and their kids in happier days (Picture: undefined)
A Samoan father-of-five, consumed by ‘morbid jealousy’ over an unfounded suspicion that his spouse was having an affair along with his brother, savagely stabbed her to loss of life in a frenzied knife assault.
Rimoni Muliaga, 44, repeatedly plunged a big kitchen knife into Lise Muliaga, 37, within the backyard of his brother’s bungalow in Melton South, on the outskirts of Melbourne, on 18 September 2023, simply weeks after the household had relocated from New Zealand.
Three of their younger kids, aged 12, seven and 5, bore witness to the horrific assault and its surprising aftermath.
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On Wednesday, Supreme Courtroom of Victoria Justice James Gorton condemned Muliaga for the homicide.
“You stabbed your spouse, Lise, a number of occasions with a kitchen knife. You probably did so in entrance of your kids within the yard of your brother’s home,’ he addressed Muliaga.
“You stabbed her since you mistakenly believed that she was having an affair along with your brother.”
The decide described the killing as ‘an act of probably the most critical home violence towards an harmless and unarmed girl’ that ‘warrants critical condemnation’.
Muliaga had quarrelled along with his spouse that morning after accusing her of the affair – a suspicion he had harboured for a while regardless of it being solely with out basis.

Rimoni Muliaga murdered his spouse (Picture: undefined)
Following her return from a stroll, the dispute escalated within the bungalow the place three of their kids had been current.
The court docket was advised that Muliaga assaulted his spouse with a knife, stabbing her 4 occasions – twice in the precise shoulder, as soon as within the left higher chest and as soon as within the left breast.
The deadly harm was a 9.5cm stab to the higher chest that sliced by two ribs, severed two main blood vessels, resulted in substantial blood loss, punctured the chest cavity and broken a lung.
Mrs Muliaga had battled for her life, sustaining defensive knife wounds to her arms as she desperately tried to ward him off.
“It was a daunting and violent loss of life,” said Justice Gorton.
The court docket heard how one of many couple’s younger daughters ran screaming to the primary home.
When relations hurried to the yard, they discovered Mrs Muliaga seated on the bottom, the knife nonetheless lodged in her shoulder, bleeding closely.
Muliaga was noticed standing over her.
His sister-in-law yelled at him, questioning his actions.

New South Wales (NSW) police tape (Picture: AFP by way of Getty Pictures)
The assassin fled up the road however later claimed: ‘Lise and (his brother) had been sleeping collectively.’
Muliaga’s brother dialled triple zero and carried out CPR, however regardless of briefly reviving a heartbeat, Mrs Muliaga was pronounced lifeless at 2.33pm.
Muliaga was apprehended close by, his palms nonetheless stained with blood.
The court docket was knowledgeable that he repeatedly requested his ‘psychological well being remedy’ from police and said he hadn’t taken it since the day gone by.
Justice Gorton famous Muliaga appeared genuinely shocked and distraught upon studying of his spouse’s loss of life, even requesting to phone her. A jury discovered Muliaga responsible of homicide in December after a trial throughout which he admitted the stabbing however contested his intentions.
Justice Gorton sentenced Muliaga on the understanding that he stabbed his spouse with the intention of ‘inflicting actually critical harm’, with out regard for whether or not she survived or perished.
The decide famous the assault was spontaneous, not deliberate, but solely unprovoked.
The truth that three kids witnessed their mom’s brutal loss of life was an aggravating circumstance that heightened the target severity of the offence, Justice Gorton said.
The court docket learnt Muliaga was born in Samoa in 1981, one in every of 9 siblings, and endured a troubled childhood involving bodily abuse.
The court docket heard Muliaga possessed a low IQ of merely 61, inserting him within the lowest 0.5 per cent of the inhabitants and assembly the edge for mental incapacity, together with impaired government functioning and rigid pondering.
He had a historical past of psychological well being difficulties, together with melancholy with psychotic options and a previous analysis of schizophrenia in New Zealand.
A forensic psychiatrist who assessed Muliaga concluded he suffered from a serious depressive dysfunction relatively than schizophrenia.
While the court docket decided the situation lowered his ethical culpability, Justice Gorton harassed it didn’t absolve the crime. Muliaga understood his actions had been mistaken, Justice Gorton said. The court docket heard about Muliaga’s historical past of violent conduct in direction of Lise, together with an event the place his brother discovered him on high of her and one other the place his sister-in-law noticed him along with his hand round her neck.
Their kids, now dealing with the assistance of household, supplied sufferer influence statements explaining they confronted life with out their mom and the trauma of realizing their father killed her.
Muliaga, who will not be an Australian citizen, is anticipated to face deportation upon launch.
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Justice Gorton handed Muliaga a 24-year jail sentence with a non-parole interval of 18 years and 6 months.
He has already served 919 days in pre-sentence detention.















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