How a Walking Dead-obsessed teenager who slaughtered his family nearly carried out a primary school massacre
There are calls for new laws in the fight against crimes carried out by disturbed loners such as Nicholas Prosper, 18, who plotted a school shooting after becoming lost in a dark online world

There are calls for new laws in the fight against crimes carried out by disturbed loners such as Nicholas Prosper, 18, who plotted a school shooting after becoming lost in a dark online world