After killing his family in their tower block in Luton, Nicholas Prosper planned to carry out a mass shooting at his former ...
Serial killer Nicholas Prosper, 19, was on a bloodthirsty mission to commit the 'biggest massacre in the 21st century' after exploiting a terrifying loophole in gun laws to buy a shotgun.
Nicholas Prosper trawled the internet for sickening images of mass murder, asked if gunshot wounds to the neck were 'lethal' ...