Man, 19, who killed his mum and two siblings also planned UK school shooting
The man who killed his mother, brother and sister in their home last year was also planning to carry out a mass school shooting.
On 13 September 2024, Nicholas Prosper, shot his mum, Juliana Falcon, 48, Kyle, 16 and Giselle, 13 in Luton.
Officers were called to the flat at around 5:30am after a neighbour reported that they heard a disturbance, with an inquest at Bedford Coroner's Court in October finding that all three victims died of a gunshot wound to the head.
Det Supt Rob Hall previously said (via the BBC) that the officers who arrived at the scene were ‘met with such awful circumstances’ as they entered the flat to find the three bodies.
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The 19-year-old subsequently pleaded guilty to three counts of murder at Luton Crown Court on Monday (24 February).
Prosper was arrested shortly after and the firearm was found in the bushes.
However, it was revealed in court that he was also planning on carrying out a mass shooting at a primary school before he was arrested.
According to police, Prosper hid a loaded shotgun along with more than 30 cartridges in a bush as he had conspired to go on a rampage at St Joseph's Catholic Primary School.
Det Ch Insp Sam Khanna, Bedfordshire Police, said: "Fortunately Prosper was apprehended before he could cause any further harm.
"This was a truly tragic and shocking case in which three innocent members of the same family have been brutally killed by their son and brother.
"What was subsequently uncovered during our investigation left no doubt as to his intentions to carry out an attack at a school."
The Chief Inspector revealed that when his team found out about Prosper’s plans, they were in ‘shock and disbelief’.
Maureen Murphy, the head teacher at St Joseph's, said in a statement that the Prosper children had attended the same school and were a ‘cherished part’ of its community.
She said: "We are proud to be a multicultural Catholic school where the safety of children will always be our number one priority and this will never be compromised.”
After news of his murder, Kyle's most recent school shared it was ‘deeply saddened’ to hear of his death: "This is devastating news to all those who knew and loved Kyle and it will take some time to come to terms with the profound sense of loss.”
Meanwhile, Giselle's secondary school’s headteacher said in a statement: "Giselle was a beautiful soul and a model pupil.
"She excelled in all her subjects and will be sorely missed, particularly by her friends in Year 9."
Currently, Prosper is on remand at HMP Peterborough.
As well as the three murders, he also pleaded guilty to purchasing or acquiring a shotgun without a certificate, possessing an article with a blade or blade point and possessing a firearm with intent to endanger life during a short hearing.
He will be sentenced on 5 March.
Britt Jones