https://www.vox.com/recode/2019/5/3/18527214/8chan-walmart-el-paso-shooting-cloudflare-white-nationalism

The platform is a dark, toxic corner of the internet.

On August 4, a 21-year-old man opened fire at an El Paso, Texas, Walmart, killing 20 people and injuring at least 26 others. The incident appears to have an eerie similarity with shootings at a San Diego synagogue in April and two mosques in Christchurch, New Zealand, in March: The shooters were spending time in the same dark corner of the internet, specifically, a site called 8chan — a notoriously difficult-to-police forum. But the El Paso shooting may finally change that.