On March 15, 2019, Brenton Tarrant, a self-proclaimed white supremacist from Australia, shot up two mosques in Christchurch, New Zealand, killing fifty men, women, and children at prayer. The 76-page manifesto he published online prior to the attack contains some of the predictable code terms that litter white supremacist and nationalist literature, websites, and social media threads everywhere, such as “the complete racial and cultural replacement of the European people” and “mass invasion.”