The Why Project
← Islamophobia

Christchurch mosque shootings

Brenton Tarrant — white-supremacist gunman, New Zealand

Broad consensus

A self-described white supremacist livestreamed the murder of 51 Muslim worshippers and published a “Great Replacement” manifesto framing Muslims as demographic invaders.

What happened

During Friday prayers, Brenton Tarrant opened fire on worshippers at the Al Noor Mosque and Linwood Islamic Centre, killing 51 and injuring 40, livestreaming the first attack. His 74-page manifesto, “The Great Replacement,” named the growing Muslim population and “white genocide” as his motivation. In 2020 he was sentenced to life without parole — a first in New Zealand history.

“The Great Replacement” — the manifesto’s title, citing Muslim population growth as motivation.

Under each definition

All four lenses converge: mass murder of Muslims as people, driven by an explicit anti-Muslim conspiracy, leaves no interpretive gap.
RunnymedeAnti-Muslim racism
Islamophobic

Lethal violence targeting Muslims as a racialized “invading” group is the paradigm of anti-Muslim racism.

APPG“Muslimness” test (2018)
Islamophobic

The attack targeted worshippers precisely for their visible Muslimness.

OICDefamation of religion
Islamophobic

Anti-Muslim violence plus a dehumanizing ideology is Islamophobic on the broadest test.

SecularFree-speech position
Islamophobic

This is violence against Muslims as people — the core the secular test reserves the term for.

Who called it Islamophobic

The New Zealand government, Muslim organizations, and global commentators who identified it as an anti-Muslim terrorist attack driven by the Great Replacement conspiracy.

The defense

No mainstream defense; the perpetrator alone justified it via the replacement conspiracy.

Outcome

Convicted on all counts; sentenced to life without parole. New Zealand banned military-style semi-automatics within weeks and launched a Royal Commission of Inquiry.

In their words

Called it Islamophobic
Many of those affected will be members of our migrant communities — New Zealand is their home — they are us.
Jacinda ArdernPrime Minister of New ZealandBBC
Called it Islamophobic
He sought many things from his act of terror, but one was notoriety. And that is why you will never hear me mention his name.
Jacinda ArdernPrime Minister of New ZealandABC News
Analysis
The ‘great replacement theory’ is a classic white supremacist trope… it has lit the fuse in explosive hate crimes… as well as in Christchurch, New Zealand.
Anti-Defamation LeagueAnti-hate organizationADL

The verdicts above are how each framework would most likely treat this case — illustrative guidance, not official rulings. The frameworks diverge most on speech and ideas: the OIC “defamation of religion” lens and the secular/free-speech position often reach opposite conclusions on the same act. See the Definition tab for each framework’s full text. Inclusion is documentation, not a finding.