蜜芽传媒

Nicholas Prosper was planning a mass school shooting after murdering his family. Prosper, who was 18 at the time of the murders, pleaded guilty to shooting and killing his mother Juliana Falcon, 48, his brother Kyle, 16, and his 13-year-old sister Giselle at their home in Luton. Photo: Screengrab of video showing Prosper practicing with a piece of wood 鈥渁s a gun鈥�/Bedfordshire Police.