The Christchurch Shooter Is Radicalizing Teenagers 10,000 Miles Away

When Indonesian police searched a 17-year-old's belongings after a November 2025 bombing in Jakarta, they found a toy gun. Scrawled across it: the names of three white supremacist mass shooters — Brenton Tarrant, Alexandre Bissonnette, Luca Traini. Neo-Nazi symbols. The phrase "For Agartha."

None of those references came from Indonesia. They came from massacres in New Zealand, Canada, and Italy. The teenager had never been to any of those countries. He didn't need to.

By January 2026, Indonesian police had detained 70 youths aged 11 to 18 across 19 provinces, all connected to far-right extremist groups. In Singapore, authorities arrested Nick Lee Xing Qiu, an 18-year-old who called the Christchurch shooter a "saint" and plotted copycat attacks against the Malay Muslim minority. Across the region, 97 teenagers — the youngest just 11 — are under surveillance for consuming white supremacist content.

Every single one was radicalized online.

How an Ideology Travels 10,000 Miles

The Christchurch massacre happened in March 2019. Six years later, teenagers in Jakarta and Singapore are planning attacks using the shooter's exact playbook: his manifesto, his targets, even his method of driving between attack sites.

The mechanism is simple. A teenager watches a video. The algorithm recommends another. Then another. Within weeks, they're in Telegram channels where mass shooters are celebrated as heroes and the "great replacement theory" — the neo-Nazi belief that white populations are being "replaced" by minorities — is treated as fact.

Saddiq Basha of Singapore's S. Rajaratnam School of International Studies has been tracking hashtags like #TCD since 2024. It stands for "Total Chinese Death" or "Total Rohingya Death." One video with the hashtag has been viewed over 542,000 times.

The kids calling for ethnic cleansing in Southeast Asia aren't white. Many self-identify as "East Asian supremacists," adopting white supremacist ideology wholesale and redirecting it at local minorities.

The Pipeline Runs Through Your Kid's Phone

Indonesian counter-terrorism official Mayndra told Reuters authorities are worried these algorithm-radicalized teenagers could be recruited by organized terror groups. But the scarier truth is they don't need to be recruited. The content does the work.

YouTube's algorithm drives roughly 70% of recommended videos. TikTok's "For You" page feeds users into what researchers call "algorithmic rabbit holes." Telegram hosts communities where violence isn't just discussed — it's celebrated.

Extremism used to require in-person networks, physical propaganda, recruiters. Now it requires one curious teenager and a phone. The Christchurch shooter livestreamed his attack precisely because he knew it would become recruitment material. It worked.

What Happens When Borders Don't Exist Online

A massacre in New Zealand becomes a training video in Indonesia. A manifesto written in English radicalizes a teenager who's never left Singapore. Neo-Nazi symbols invented in Europe end up carved onto a toy gun in Jakarta.

This is the reality of algorithmic radicalization: ideology moves at the speed of WiFi, and platforms profit from engagement regardless of what's being engaged with. A 17-year-old in Jakarta and a school shooter in Colorado can watch the same content, absorb the same hate, and plot the same violence.

The platforms connecting them don't recognize borders. Neither does the extremism they're spreading.

Your kids use the same apps.