Christchurch Mosque Attacker Seeks to Overturn Guilty Plea in NZ Court
The Australian white supremacist responsible for the deadliest mass shooting in New Zealand's history is now attempting to vacate his guilty pleas and secure a new trial. Brenton Tarrant, who murdered 51 Muslim worshippers at two mosques in Christchurch in 2019, has filed an appeal with one of the country's highest courts, challenging both his convictions and his sentence.
Appeal Hearing to Consider Timeliness and Rationality Claims
The Court of Appeal in Wellington is set to begin a week-long hearing on 9 February, where it will first determine whether Tarrant's appeal can proceed, as it was filed outside the standard legislative timeframe. The 35-year-old is expected to give evidence via video link during the proceedings.
According to court documents, the central issue will be whether Tarrant was incapable of making rational decisions when he entered his guilty pleas in March 2020, due to what he describes as "torturous and inhumane" conditions of imprisonment. At that time, he pleaded guilty to 51 counts of murder, 40 counts of attempted murder, and a terrorism charge, after initially indicating he would defend the charges.
Potential Outcomes and Security Measures
If the court grants the application to vacate the pleas, the case will be sent back to the High Court for Tarrant to stand trial. If the application is declined, a further hearing will consider his sentence appeal later this year. In August 2020, Tarrant became the first person in New Zealand under current laws to be sentenced to life in prison without the possibility of parole.
Security has been heightened at the court, with attendance restricted to media, counsel, and authorised personnel inside the courtroom. Limited public space is available in an adjoining room, while victims and family members can view the hearing in Christchurch via a delayed broadcast. Tarrant's legal counsel have been granted permanent name suppression.
Impact on Victims and Families
Aya Al-Umari, whose brother Hussein al-Umari was murdered at Masjid al-Noor, expressed discomfort about the hearing, noting that listening to Tarrant give evidence for the first time would be challenging. "For the sake of my sanity ... I have to think of them as just words with absolutely no meaning behind them," she told The Post. "But at the same time it is reopening a wound that you try so hard to close and try and move forward with life."
Background of the Attack and Aftermath
Tarrant moved to New Zealand in 2017 with plans to carry out a white supremacist attack. He meticulously planned the mass shooting for months, conducting reconnaissance at the mosques, distributing a manifesto expressing his racist views, and live-streaming part of the assault on Facebook before opening fire.
In response to the attacks, the former Jacinda Ardern-led government implemented significant reforms, including banning military-style semi-automatic rifles and creating a firearms registry. An ongoing coronial investigation into the attacks is the largest in New Zealand's history, and in October 2025, the High Court left open the possibility of calling Tarrant as a witness at the inquest, despite objections from survivors and victims' families.