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r/ColumbineKillers↗

This subreddit is a space for respectful discussions about the Columbine tragedy, the perpetrators, the victims, causes, and evidence. We understand that some may relate to the perpetrators, and we believe those feelings deserve space for honest, thoughtful conversation. However, we do not allow glorification or violent conversations. Our goal is to foster meaningful dialogue—about bullying, warning signs, and the deep impact school shootings have on communities.

41k subscribers77 posts / mo in Sep 202659 authors / mosince 2020

r/ColumbineKillers has 41k members (+16% over the last 12 months). It gets about 77 posts a month from 59 people. Top topics: Dylan Troublemakers, Dylan Videos and School Bullying.

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When to post on r/ColumbineKillers

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Size and growth

How r/ColumbineKillers has grown

r/ColumbineKillers

Subscriber growth

Subscribers over time

+16%in 12 months · +4.1% in 3 months · +1.0% in 1 month
Oct 202641k
Growing41k subscribers
  • no data — drawn from 0 at creation (May 2020)
Live · through Oct 2026
r/ColumbineKillers

Monthly activity

Posts, comments and authors per month

−28%vs Sep 2025 · −6.0% last 3 months vs the 3 before
Sep 202677
QuieterPeaked at 284 in Mar 2024
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/ColumbineKillers

Top topics

Share of the subreddit's posts

  1. Dylan Troublemakers0.5%
  2. Dylan Videos0.4%
  3. School Bullying0.3%
  4. School Shootings & Safety0.3%
  5. School Shootings & Videos0.2%

The full report

Everything else about r/ColumbineKillers

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research