Brenton Tarrant, a white supremacist who killed 51 people at two mosques in Christchurch, New Zealand, is back in the spotlight as he seeks to withdraw his guilty plea from 2020. This plea was made after he initially denied the charges, ultimately admitting to the horrific attack which aimed to target worshippers. Tarrant argues that torturous conditions in prison impaired his ability to make a rational decision when he changed his plea. His appeal began in New Zealand's Court of Appeal, where he will testify via video link. This move has reopened emotional wounds for many victims' families, including Aya al-Umari, who lost her brother in the massacre. She expressed frustration at having to revisit the trauma of the attack and felt Tarrant's actions aimed to regain notoriety. The Christchurch attack resulted in stricter gun laws across New Zealand, but the possibility of a retrial adds a new layer of pain and frustration to those affected. If Tarrant's plea is successful, it could lead to a new trial and further legal battles.