The unexpected death of James Scott Church a day before a verdict into the alleged murder of Leisl Smith in 2012 means the court's findings for the cold case will now never be released.
On Friday in the NSW Supreme Court, Justice Elizabeth Fullerton said that she was legally unable to deliver a verdict of guilty or not guilty because Church had died on Thursday.
"I regret that the trial proceedings have concluded without verdict. I hope the members of the public and more importantly Ms Smith's family members and her many friends understand the position as I'm obliged to abide by it as a matter of law," the judge said.
In evidence from the police handed up to the court, Church was found dead at his home on Thursday.
The death was not suspicious with Church believed to have taken his own life, Justice Fullerton said.
Church, a NSW horse farrier, was charged with the murder of his lover on the NSW Central Coast on August 19, 2012.
He had been on bail and faced a 68-day judge-alone trial.
Ms Smith's body has never been found but her abandoned car was discovered at Tuggerah railway station more than a month after she vanished.
The Crown had alleged Church killed Ms Smith after she told people she was pregnant to him and because he wanted to save his new relationship with Belinda Lees.
But the defence contended other scenarios could not be ruled out including that Ms Smith's violent ex-boyfriend, the late Craig Elkin, could have been involved or that she disappeared on purpose.
Lifeline 13 11 14