Man who killed neighbour over motorcycle noise is sentenced

A man who stabbed his neighbour to death in a “cold-blooded attack” in Thorpe St Andrew has been sentenced to life imprisonment.

Jamie Crosbie, 48, was sentenced at Norwich Crown Court after he was convicted of murdering 41-year-old Dean Allsop following a trial in July and August, 2022. He was ordered to serve a minimum of 28 years.

The court heard the father-of-three was stabbed multiple times by Crosbie who had got angry about noise coming from Allsop’s son’s motorbike. The argument, on 14 April 2021, escalated when Crosbie armed himself with a knife and a saw, at which point Allsop called the police and said his neighbour was threatening him with a knife.

While still on the phone to police, Allsop was attacked by Crosbie and stabbed multiple times. Crosbie then tried to attack Allsop’s son, who retaliated, leaving Crosbie with injuries to his head and hand.

Crosbie went back to his home, returning a few minutes later to the scene where Allsop had collapsed. Crosbie stabbed Allsop again in the back before turning attacking his partner, Louise Newell, and a neighbour who had come out to help.

Ms Newell was stabbed in the chest and suffered a deep cut to her head while the neighbour, a woman in her 50s, suffered a serious stab wound to the neck.

Officers arrived at the scene in Primrose Crescent describing it as “carnage” with people screaming, injured, and covered in blood.

Allsop was pronounced dead at the scene and a Home Office post-mortem examination established he’d died from a stab wound to the chest.

Crosbie was arrested at the scene, after being cautioned told officers: “That’s a good thing, I’m very happy about that, killing people isn’t always a bad thing.”

Senior investigating officer Detective Chief Inspector Phill Gray, from the Norfolk and Suffolk Major Investigation Team, said: “Crosbie is an extremely violent man and that night he was intent on causing harm to others.

“He isn’t safe to be in society which is why we welcomed jury’s verdict and today’s sentencing. This was a cold-blooded attack which left a scene of carnage for those first responders arriving on scene. Our thoughts remain with Dean’s family and friends who continue to grieve his loss.”

In a victim personal statement, read out to the court Ms Newell said: “It’s so hard to explain the true impact this has had on the family, we’re broken. “It’s true when they say physical scars heal but those memories which scarred my mind of Dean’s last moment will haunt me for the rest of my life.

“I’ll never forgive Crosbie for what he’s done to my family. He’s taken the biggest and best part of it away from us all.”