A convicted murderer who repeatedly stabbed a prison officer with a plastic knife at a top security jail has had years added to his sentence.
Moustapha Dia, 28, who was serving a life sentence for killing his sister-in-law, approached the prison officer, who was locking doors on a wing of HMP Whitemoor, in March, at about 2pm on October, 19 2024.
Dia whispered something to him, then quickly grabbed him into a headlock and began stabbing him to the head, face and neck with a plastic knife.
The attack only stopped when other prison officers managed to intervene and disarm Dia.
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The victim was taken to Peterborough City Hospital, where he was treated for a concussion and several cuts to his face and neck.
Dia denied the charges and stood trial at Huntingdon Law Courts in January, where he was found guilty of being in possession of an offensive weapon in prison and wounding with intent to do grievous bodily harm.
At Huntingdon Law Courts on Thursday (12), Dia had four years added onto his existing life sentence.
DC Emma Purser, who investigated, said: “This was a ferocious and cowardly attack by Dia, who targeted a prison officer much smaller in stature than him.
“Luckily the officer was only left with superficial injuries, but the intent was there to do much worse.
“There is no doubt that prison officers do a difficult job in challenging circumstances, and this attack will no doubt have a lasting psychological impact on the victim, who was just trying to do his job.
“This level of violence is completely unacceptable and I am pleased that Dia has faced justice for his actions despite denying the charges.”
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