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Teen who murdered family 'planned on killing at least 30 schoolchildren'
A 19-year-old who murdered his family and wanted to be the worst mass killer the UK has seen, had obtained 33 cartridges to carry out an attack on his former school, a court has heard.
A 19-year-old who murdered his family and wanted to be the worst mass killer the UK has seen, had obtained 33 cartridges to carry out an attack on his former school, a court has heard.
