Who Was Desmond Holly? Evergreen High School Shooter’s Online Posts

Desmond Holly, a 16-year-old student, shocked the nation when he opened fire on two classmates at Evergreen High School in Colorado before turning the gun on himself. Authorities confirmed the teenager died at the scene after fatally shooting himself as law enforcement arrived.

The Colorado Sun reported that Holly had immersed himself in conspiratorial, antisemitic, and white supremacist social media content in the months leading up to the attack.

Details of his online activity paint a disturbing picture of radicalization, fascination with past school shootings, and warning signs that now feel chilling in hindsight.

What Desmond Holly Posted Before the Shooting

On the morning of the attack, an account linked to Holly posted a photo of a revolver laid across a table alongside a box of ammunition. The post, made just an hour before the shooting, carried no caption.

Investigators later confirmed that the weapon in the image was consistent with the .38 special revolver used in the attack. Witnesses said Holly repeatedly fired and reloaded before turning the gun on himself.

The same account had shared the identical photo days earlier with the caption, “little .38 special I got,” suggesting premeditation.

Obsession With Columbine and Mass Shooters

Reports reveal Holly was fixated on the 1999 Columbine High School shooting. He had reposted TikToks related to the massacre and posed in a T-shirt with the word “WRATH,” echoing the clothing worn by Columbine gunman Eric Harris.

His TikTok account, later banned, reportedly featured content glorifying violence and referencing past shootings. The profile picture itself was said to be an altered image of the Isla Vista mass shooter from 2014.

For many, the parallels with past killers highlight how online culture and extremist communities can inspire copycat acts of violence.

Involvement in Violent Online Communities

The Anti-Defamation League reported that Holly was also active on a “violent gore site” where graphic death videos are circulated. He reportedly joined in December 2024.

That same site had previously been visited by shooters involved in tragedies at Abundant Life Christian School in Wisconsin and Antioch High School in Tennessee.

Holly commented on posts about prior attacks and hinted that he was preparing for his own, even mentioning tactical gear and weapons.

Warning Signs and Radicalization

Investigators believe Holly’s engagement with extremist online spaces played a major role in shaping his mindset. He absorbed conspiratorial and antisemitic content while finding community in spaces that glorified past violence.

Social media posts show he had been edging closer to carrying out an attack, leaving digital breadcrumbs that, in hindsight, appear alarming.

Experts say his case underscores the growing link between online radicalization and real-world acts of violence in American schools.

FAQs

Who was Desmond Holly?
He was a 16-year-old student at Evergreen High School in Colorado who shot two classmates before killing himself.

What did he post before the shooting?
Holly posted a photo of a revolver and ammunition an hour before the attack, the same gun later used in the shooting.

Was Holly influenced by past shooters?
Yes. He reposted Columbine-related TikToks, wore a shirt referencing Columbine gunman Eric Harris, and idolized other mass shooters.

What online communities was he involved in?
He was active on extremist and “gore” sites that glorified violence, according to the ADL.

Why is his case significant?
It highlights the link between online radicalization, extremist culture, and the growing trend of copycat school shootings.

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