Craig KapitanSenior Multimedia Journalist·NZ Herald·7 Jul, 2026 06:06 AM9 mins to read‌Two elderly former police officers are on trial in the High Court at Auckland accused of perverting the course of justice during the 1986 murder trial of Alan Hall. Photo / Dean Purcell

Forty years after authorities declined to call Ronald Turner to the witness box at the murder trial of Alan Hall – instead submitting a written statement omitting what would later be determined by the Supreme Court to be a critical piece of information – the now grey-haired witness was called