Subject: Desmond Holly, Colorado HS Shooter
...had social media accounts that "are littered with references to mass shootings and antisemitic views," according to an investigation by the Denver Post. The accounts also include references to Holocaust denial and white supremacist slogans. Videos on the accounts were explicitly antisemitic or depicted people in Nazi uniforms.

Huh. He embraced conspiratorial, antisemitic, and white supremacist social media content. He glorified Nazis.

He must have been one of those radical lefties. <sarcasm>