Previously, manifestos were published by the alleged Christchurch shooter, who killed 51 people at two mosques in New Zealand in March, and the gunman who opened fire and killed one person at a synagogue in Poway, California, in April.

They, too, used 8chan to deliver their epistles of hate.

Both times, and now again with El Paso, extremism researchers have pleaded the same case: Don’t amplify the message.

“Those manifestos are specifically designed to be objects of media manipulation,” says Whitney Phillips, who researches troll culture and online extremism at Syracuse University.

“They’re written and publicized in a way to generate the maximum amount of journalistic coverage.”

At the same time, it seems difficult to outright ignore these postings, especially when some politicians attempt to fill that void by blaming videogames rather than racist extremism.

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