A 19-year-old has pleaded guilty to three counts of murder at Luton Crown Court when he was found to be plotting a school shooting ahead of gunning down his own family.
During the hearing, he admitted to murdering his mother, Juliana Falcon, 48, and his siblings, Giselle Prosper, 13, and Kyle Prosper, 16, in September last year in Luton.
He pleaded guilty to three counts of murder at Luton Crown Court today.
Prosper also pleaded guilty to purchasing or acquiring a shotgun without a certificate, possessing a firearm with intent to endanger life and possessing an article with a blade or point.
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Luton Crown Court
PA
He wore a black t-shirt, dark trousers and black rimmed glasses as he entered his pleas.
The hearing lasted less than 10 minutes.
Judge Michael Simon told the defendant his sentencing will take place on March 5 and remanded him into custody.
The massacre unfolded on September 13 at a flat on Wauluds Bank Drive.
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Nicholas Prosper admitted to three counts of murder at Luton Crown Court on Monday

Juliana Prosper, 48, who was found dead in a flat in Luton alongside her two youngest children
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Kyle was remembered as a ‘big talent with massive potential’, who enjoyed making content on TikTok
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Police swarmed the home at around 5.30am after receiving reports of “welfare concerns”.
An inquest at Bedford Coroner’s Court in October heard that all three of the victims died from gunshot wounds to the head.
A family friend described the three as “beautiful souls” and said Julie was “a strong loving mother to four beautiful children, who were her absolute world”.
Speaking to The Sun in September, the friend said that Juliana was “a keen athlete and enjoyed raising money for charity” and was “always putting others first”.
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Giselle, was “a beautiful soul and caring young girl” who “loved her family and big brothers’ and was ‘an exceptional pupil”
PA

All three of the victims died from gunshot wounds to the head
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They remembered Kyle as a “big talent with massive potential”, who enjoyed making content on TikTok.
His sister, Giselle, was “a beautiful soul and caring young girl” who “loved her family and big brothers’ and was ‘an exceptional pupil” at Lea Manor High School.
Following the attack, Headteacher of Lea Manor High School, Jess Pather, said: “We are deeply shocked at Lea Manor High School by the tragic incident that occurred on Friday in our local community.
“We are devastated by the loss of our pupil, Giselle Prosper. 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 Nine. It will take us all time to process what has happened.
“Our thoughts go out to everyone in our community and neighbouring schools who have been affected.”