UK teen jailed for life over family Killings, planned mass shooting

A United Kingdom teenager, Nicholas Prosper, has been sentenced to life imprisonment for killing his mother and two siblings on Wednesday March 19, 2025.

Prosper, who was 18 at the time, was convicted for the murder of his mother, Juliana Falcon, 48, sister, Giselle, 13, and brother, Kyle, 16.

The tragic incident happened in September 2024 at their family home in Luton, north of London.

Prosper used a shotgun to kill his mother and sister, while his brother suffered over 100 knife wounds.

The court heard that he planned to carry out a school shooting after killing his family.

Judge Bobbie Cheema-Grubb, who delivered the judgment, said Prosper wanted to be the world’s most famous school shooter of the 21st century.”

The teenager reportedly planned to attack his former primary school, St Joseph’s Catholic Primary School.

His goal was to surpass the death toll of the US Sandy Hook and Virginia Tech massacres.

His plan was interrupted when his mother woke up before he could execute the killings in their sleep.

The struggle between them attracted neighbours, who quickly alerted the police.

After killing his mother, he placed a book titled How to Kill Your Family on her body.

The judge revealed that he idolized mass shooters and wanted to outdo their crimes.

A search of his belongings revealed hand-drawn diagrams of his former school, with a note saying “kill all.”

The court was also shown a disturbing video of Prosper acting out the killings in his kitchen.

Psychologists told the court that he exhibited symptoms of Autism Spectrum Disorder (ASD).

The judge sentenced him to life imprisonment with a minimum of 49 years before parole consideration.

With time already served, he will spend at least 48 years and 177 days in prison.

The judge added that Prosper remained a high-risk individual and might never be released.

He refused to leave his cell for sentencing and showed no remorse for his actions.

The court heard that he became isolated after being asked to leave school in 2023.

Investigations showed he spent most of his time online researching mass shooters and violent criminals.

His father, Ray Prosper, described the tragedy as a devastating loss for the entire family.

“When I heard the horrendous news, part of my soul died too,” he said in an emotional statement.

He added that the tragedy had claimed four family members, including Nicholas himself.

Bedfordshire Police described the killings as shocking and deeply disturbing.

Assistant Chief Constable John Murphy condemned the attack as a “sickening act of violence.”

The case has sparked concerns about online radicalization and mental health issues among young people.

Authorities say they are reviewing security measures to prevent similar attacks in the future.

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