THIS is the vile moment an ex-boyfriend slashes a prison officer’s throat with a Stanley knife after lying in wait outside her home.
Prison officer Rosie Niessen, 28, was ambushed by her ex in broad daylight as he attempted to kill her.
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Simon Scrimshaw, then 50, hid in the bushes outside Niessen’s home in March 2023 as she left for work in Hucknall, Nottinghamshire at 6.40am.
Rosie, who has a daughter with Scrimshaw, has now bravely released appalling doorbell camera footage showing the horror of what happened that morning.
Wearing a balaclava, Scrimshaw is shown appearing from his hiding spot before running up behind Rosie.
As she reached the end of her driveway, he grabbed her and pulled back her head before hacking at her neck with a Stanley blade while wrestling her to the ground.
She can be heard screaming “what are you doing?” and “stop, help me” as the attack unfolded.
Rosie bravely fought back against Scrimshaw who inflicted devastating injuries to her throat, face and hands as she tried to defend herself.
Her courageous dad, Roberto, heard Rosie’s screams and raced out, jumping on Scrimshaw in a desperate attempt to protect his daughter.
He was stabbed in the right thigh before Scrimshaw fled which later required 50 stitches in his leg.
A passer-by alerted the emergency services, and Rosie and her dad were rushed to Queens Medical Centre in Nottingham.
There, Rosie had a CT scan and surgeons glued and stitched her wounds with doctors saying she was “lucky to be alive”.
A neighbour called the police after witnessing the attack and Scrimshaw was later arrested.
Rosie met Scrimshaw in 2017 and they entered an on-off romantic relationship which ended in 2022 – the pair had a daughter during that time.
She told The Sun last year that Scrimshaw had harassed and even strangled her on a previous occasion.
According to the Mail, they were due to appear at a family court two days after the attack as Rosie had applied for a court order to keep him away from her.
Rosie told the newspaper she was in “shock” and said she “could hear rustling” before Scrimshaw came at her with the blade.
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She said that she protected her neck on “instinct” as she defended herself.
“Imagine if I did die or didn’t defend myself as I did,” she added.
“They said I was in a pool of blood. They didn’t know I was going to make it.”
Rosie had to leave her job since the attack and has struggled with both the physical and mental scars inflicted upon her by Scrimshaw.
She said he had “taken everything from me” and branded Scrimshaw a “monster”.
Scrimshaw was jailed for 28 years in January 2024 after being convicted of attempted murder and grievous bodily harm, with a further four on license.
He was also ordered not to contact Rosie and was given a lifetime restraining order.
Now, Rosie is speaking out to raise awareness of domestic violence.
