The Christchurch terrorist has returned to court, seeking to overturn his guilty plea for the 2019 mosque attacks that killed 51 people. He argues that the extreme isolation of a “prison within a prison” inside New Zealand’s most secure facility left him psychologically incapable of making rational decisions when he pleaded guilty. How likely is a judge to grant his request? And what would reopening this case mean for survivors and the families of the victims? Secrets We Keep: Lone Actor host Joey Watson joins The Briefing's Sacha Barbour Gatt for a deep dive into the real motivations that lie behind the terrorist's legal battle.See omnystudio.com/listener for privacy information.