Nottingham attacks wouldn't have happened if authorities had listened, says family of man killed months earlier

It was a sunny morning in June 2023 as news broke that a major incident had been declared in Nottingham. As the hours went by it emerged three people had been stabbed. 

Students Barnaby Webber and Grace O'Malley-Kumar had been walking home from a night out when they were fatally attacked. School caretaker Ian Coates was heading into work when he was killed.

Across the city, Delvin Marriott was following the news in horror. "I just had a sinking feeling - emptiness - I felt devastated," he says. "You know, the Nottingham attacks wouldn't have happened if they listened to us. It wouldn't have happened."

He says he knew instinctively that the killer of Barnaby, Grace, and Ian would turn out to be a mental health patient and blames the loss of his brother on the same system that allowed paranoid schizophrenic Valdo Calocane to be out on the streets armed with a knife.

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Ten months earlier, in August 2022, 58-year-old Brenton Marriott had been killed by his son.

Rudi Marriott stabbed his father 75 times in a frenzied attack at home in Nottingham.

The family says they had repeatedly called the police and mental health services about Rudi's violence but their warnings were ignored.

Over a decade earlier, as a teenager, Rudi had been attacked with a baseball bat, leading to a bleed on the brain. His family says after that he began hearing voices and grew increasingly violent. As his health deteriorated, he believed he had a microchip in his head that was controlling him.

"I knew he was dangerous, I was living with him," says his mother Juliette, who recalls barricading her bedroom door when she could hear him having a psychotic episode.

The family called the police on many occasions. "We would phone the police hoping the mental health service would come with them, hoping that this is an opportunity for him to be assessed and receive the help that he needs," Juliette says.

"That was the main reason for phoning the police - not to have him arrested, but for the assessment to happen."

They say they repeatedly questioned why he wasn't being sectioned. Rudi's sister Charise says she once asked a mental health nurse: "Is it going to take him to kill someone for something to be done?"

But none of their warnings were heeded. Rudi didn't receive any mental health support until after he stabbed his father to death. He later received a diagnosis of paranoid schizophrenia.

'I lost my best friend and my son'

Juliette breaks down as she reflects on the double tragedy. "I'm devastated because I've lost two of them. Lost his dad - he was my best friend for 35 years, my best friend. And I've lost my son, who up until his illness was very loving."

Rudi was sentenced to a hospital order. A domestic homicide review is examining what more the authorities could have done.

Delvin says his brother Brenton was just desperate to help Rudi. "Brenton in my eyes is a hero," he says. "If he wasn't doing what he was doing, that could have been anybody that Rudi attacked. He could have gone out and gone on a frenzied attack."

A recent NHS report found that in the four years before Calocane carried out his attacks there were 15 incidents of patients either under the current care of the Nottinghamshire Healthcare NHS Trust or who had been discharged perpetrating serious violence towards members of the community. Most of the incidents involved stabbings and three cases resulted in fatalities.

Neil Hudgell, a lawyer representing the families, says the public inquiry due to begin into the deaths of the Nottingham attack victims needs to ensure the trust is held accountable for failings.

"I think we've seen tragic story after tragic story where patients, their families, and victims have been let down," he says.

"We need to get to the bottom of why that happened, who's responsible for that and to have some genuine change."

Delvin says his family feels "failed by the NHS, by the police, by the mental health service".

Ifti Majid, chief executive of Nottinghamshire Healthcare NHS Trust, said: "Any loss of life in such circumstances is an absolute tragedy, and on behalf of the trust I again offer my sincerest condolences to Brenton's family and friends."

Nottinghamshire Police told Sky News "our thoughts remain with all family members affected by this tragic incident", adding they are fully participating in the domestic homicide review.

Delvin describes the failure to deal with the mental health crisis as "a ticking timebomb, waiting for another disaster".

Juliette agrees. "This is a real epidemic," she says. "And as a result of the broken system, the public are at risk. Everybody's at risk."

(c) Sky News 2025: Nottingham attacks wouldn't have happened if authorities had listened, says fami