Could Christchurch terror attack have been stopped?

He told us what he was going to do: that's the stark conclusion of two extremism researchers who've uncovered previously unreported public communications from the Christchurch terrorist in the years leading up to the 2019 March 15 attack. Researchers Chris Wilson and Michal Dziwulski say the Royal Commission into March 15 failed to ask some of the most important questions after the attack - and…