The trial of former Sydney schoolteacher Chris Dawson illustrates guilty verdicts in a circumstantial murder case may be rare, but experts say circumstantial evidence can be "extremely damning" — if it all lines up.
The body of his first wife, Lynette Dawson, hasn't been found after she vanished from the city's northern beaches in 1982.
As the ex-rugby league player's barrister put it in the final days of the trial, there was "not a skerrick of scientific or forensic evidence" to suggest the now-74-year-old killed her.
