A teenager suspected in a shooting attack at a Denver high school that left two students in critical condition reportedly was fascinated with previous mass shootings, including Columbine, and expressed neo-Nazi views online.
A new report from the Anti-Defamation League’s Center on Extremism suggests Desmond Holly, 16, had been active on an online forum where users watch videos of killings and violence, mixed in with content on white supremacism and antisemitism.
