What is 4chan, site where threats to Mike Chitwood were posted?(02)

What is 4chan, site where threats to Mike Chitwood were posted?(02)

Image gallery: 4chan Leaked Data

4chan and 8chan (8kun) Origins, Uses, Conspiracy Theories, Far-Right Violence, & Controversies BBC World Service - Trending, What Is 4Chan? What is 4chan, site where threats to Mike Chitwood were posted?