It was one of Australia's most high-profile murder cases and took more than 40 years to solve — eventually, four lies put Chris Dawson behind bars.
Dawson, 73, pleaded not guilty to murdering his first wife Lynette, who disappeared on Sydney's northern beaches in January 1982.
Although the case against him was wholly circumstantial, Justice Ian Harrison detailed in his marathon five-hour judgement how a series of lies Dawson told after his wife's disappearance "demonstrated a guilty conscience".
