Man jailed for stabbing neighbour to death over his son revving motorbike

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Jamie Crosbie knifed Dean Allsop (centre top) to death (Picture: Norfolk Police)

A man who stabbed his neighbour to death because he was annoyed by his son revving a motorbike has been convicted of murder.

Jamie Crosbie knifed father-of-three Dean Allsop 17 times after Mr Allsop’s son Mikey revved the engine in April last year.

Crosbie, 48, was also found guilty of the wounding with intent of two women, Mr Allsop’s partner Louise Newell and friend and neighbour Kerryn Johnson, who had come out to help, Norfolk Police said.

But he was cleared of two counts of attempted murder at Norwich Crown Court after the incident in Thorpe St Andrew, the force added.

Officers accused him of a ‘cold-blooded attack’ on 41-year-old Mr Allsop after the three-week trial’s conclusion.

One of the women he attacked was stabbed in the neck.

Senior investigating officer Detective Chief Inspector Phill Gray, from the Norfolk and Suffolk Major Investigation Team, said: ‘This was a cold-blooded attack by a man intent on causing extreme harm to others.

‘Dean suffered 17 stab wounds to his body, some of which were inflicted when he was lying face-down and motionless.

‘Crosbie’s savage attack didn’t stop there; he stabbed two people who had come to help Dean, one suffering an arterial bleed to her neck.

‘Crosbie is an extremely violent man who has no place in society, and we welcome the jury’s verdict today.’

He added that the incident had ‘striking similarities’ to a previous altercation in 2018, when Crosbie threatened Mr Allsop with a knife and hammer after his neighbour put some rubbish in his wheelie bin.

Video shows Crosbie with blood on his hands and face declining medical help from police officers. He kneels on the ground before being handcuffed.

BEST QUALITY AVAILABLE Undated handout photo issued by Norfolk Police of Dean Allsop. Jamie Crosbie has been found guilty at Norwich Crown Court of the murder of his neighbour, Dean Allsop, who he stabbed to death after becoming annoyed at the noise of the victim's son revving a motorbike engine in Thorpe St Andrew near Norwich, in April last year. Issue date: Thursday August 4, 2022. PA Photo. See PA story COURTS Norwich. Photo credit should read: Norfolk Police/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.
Dean Allsop had been working on his motorbike with his son (Picture: PA)
(Picture: Norfolk Police) A man who stabbed his neighbour to death in a ?cold-blooded attack? in Thorpe St Andrew has been found guilty of his murder. Jamie Crosbie, 48, was today (Thursday 4 August 2022) convicted by a jury of four women and eight men at Norwich Crown Court following a three-week trial. Crosbie had denied murdering 41-year-old Dean Allsop during a disturbance in Primrose Crescent on 14 April 2021.
Video shows him interacting with police red handed (Picture: Norfolk Police)

Mr Allsop was pronounced dead at the scene at 8.18pm on April 14 last year.

Andrew Jackson, prosecuting, said that Crosbie told officers who arrested him two minutes later on suspicion of murder: ‘That makes me happy, that’s a good thing, that’s the best news I ever heard.’

Video shows him adding: ‘Killing people is not always a bad thing.’

In a statement released through police, Mr Allsop’s partner Louise Newell said: ‘I cannot put into words how this has affected our whole family.

(Picture: Norfolk Police) A man who stabbed his neighbour to death in a ?cold-blooded attack? in Thorpe St Andrew has been found guilty of his murder. Jamie Crosbie, 48, was today (Thursday 4 August 2022) convicted by a jury of four women and eight men at Norwich Crown Court following a three-week trial. Crosbie had denied murdering 41-year-old Dean Allsop during a disturbance in Primrose Crescent on 14 April 2021.
Crosbie was branded ‘an extremely violent man who has no place in society’ (Picture: Norfolk Police)
BEST QUALITY AVAILABLE Undated handout photo issued by Norfolk Police of Jamie Crosbie who has been found guilty at Norwich Crown Court of the murder of his neighbour, Dean Allsop, who he stabbed to death after becoming annoyed at the noise of the victim's son revving a motorbike engine in Thorpe St Andrew near Norwich, in April last year. Issue date: Thursday August 4, 2022. PA Photo. See PA story COURTS Norwich. Photo credit should read: Norfolk Police/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.
Crosbie will be sentenced at a later date (Picture: PA)

‘My children have lost their hero and I have lost my chosen person – the person I chose to spend my life with.

‘My best friend, soulmate, my first love.

‘Our lives will never be the same without Dean, but we will continue to keep his memory alive.’

Crosbie will be sentenced at a later date.

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