A teenager who admitted killing his mother and two younger siblings was plotting a school shooting, it can now be reported.
Nicholas Prosper, 19, appeared at Luton Crown Court over the deaths of Juliana Falcon, 48, Giselle Prosper, 13, and Kyle Prosper, 16.
Their bodies were found at a flat in Leabank, off Wauluds Bank Drive, Luton, in September.
As he appeared in court on Monday, Prosper spoke to confirm his identity and to plead guilty to three counts of murder.
Assistant Chief Constable John Murphy, from Bedfordshire Police, said: “We understand the deep shock this case will have on people within Luton and across the country.
“Juliana, Kyle and Giselle were brutally murdered in their home by someone intent on causing the maximum harm and distress on not only his family, but to the wider community.
“We are extremely grateful to our officers who stopped him and prevented him from going through with his plans to target a school.
“We are working closely alongside Luton Borough Council to engage with schools in Luton to provide support, assistance and guidance to both schools and parents.”
Prosper also admitted a number of other offences, including purchasing a shotgun without a certificate, possession of a shotgun with intent to endanger life and possession of a kitchen knife in a public place.
He will be sentenced on 5 March and has been remanded in custody.
A friend of Ms Falcon previously described her as someone who “lived for her children” and said she was “a positive person who will be so terribly missed”.
A previous statement on X from the headteacher at Lea Manor High School said they were “deeply shocked” by the death of Giselle.
“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.”
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Kyle’s school described the incident as “devastating” and offered “heartfelt condolences” to his family.
A previous statement issued by Cardinal Newman Catholic School said: “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.
“We know this will be a difficult time for students and staff and we will do all we can to support them with love and compassion.
“We extend our heartfelt condolences to Kyle’s family on their immeasurable loss, to his friends and to all those in neighbouring schools who are coming to terms with their own loss.”
