Colorado school shooting suspect expressed neo-Nazi views, says ADL

Flowers are left in remembrance of those wounded in a shooting at Evergreen High School in Evergreen, Colorado, Sept. 11, 2025. (AP Photo/Colleen Slevin)
Flowers are left in remembrance of those wounded in a shooting at Evergreen High School in Evergreen, Colorado, Sept. 11, 2025. (AP Photo/Colleen Slevin)

A teenager suspected in a shooting attack at a suburban Denver high school that left two students in critical condition appeared fascinated with previous mass shootings including Columbine and expressed neo-Nazi views online, according to experts.

Since December, 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, the Anti-Defamation League’s Center on Extremism says in a report.

Holly shot himself following Wednesday’s shooting at Evergreen High School in Jefferson County. He died of his injuries. It is still unclear how he selected his victims. The county was also the scene of the 1999 Columbine High School massacre that killed 14 people.

Holly’s TikTok accounts contained white supremacist symbols, the ADL says, and the name of his most recent account includes a reference to a popular white supremacist slogan. The account was unavailable Friday. TikTok says accounts associated with Holly have been banned.

Holly’s family could not be reached. The Associated Press left a message at a telephone number associated with the house that police searched after the shooting.

A spokesperson for the Jefferson County Sheriff’s Office, Mark Techmeyer, declines to comment on the ADL’s findings or discuss its investigation into the shooting. The office previously said that Holly was radicalized by an unspecified “extremist network” but released no details.

Two recent suspects in school shootings were active on the so-called “gore forum” that Holly used — Watch People Die, according to the ADL. Holly appears to have opened his account in the month in between shootings in Madison, Wisconsin and Nashville, Tennessee, the ADL says.

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