Christchurch terrorist discussed attacks online a year before carrying them out, new research reveals “For 4 years before his attack, Tarrant had been posting anonymously but publicly on the online message board 4chan about the need to attack people of colour” theconversation.com/christchurch...

Christchurch terrorist discussed attacks online a year before carrying them out, new research reveals

Five years on from the attacks, a detailed investigation of the shooter’s online radicalisation shows he was openly posting about his plans. Why was it missed and what can we learn?