Nicholas Prosper, 19, wanted to kill 30 children at his former primary school after murdering three members of his own family ...

Nicholas Prosper, 19, from Luton, murdered his mother and two siblings and was plotting a school shooting because he wanted ...

The 19-year-old purchased a gun and ammunition illegally and shot his family in the early hours of 13 September last year. He then left his home armed with the loaded shotgun and additional cartridges ...