More details have emerged about the lead-up to this morning's arrest of Chris Dawson in relation to the suspected murder of his wife, Lynette Dawson.
The 70-year-old former rugby league player was taken into custody by detectives from the Queensland Police Service's Homicide Squad at his home in Biggera Waters just before 8am Wednesday.
The 33-year-old mother of two girls vanished from the couple's Bayview home on or around Saturday 9 January 1982.
Fuller said in a press conference that New South Wales' unsolved homicide squad began re-investigating Lynette Dawson's disappearance since 2015, but new interviews from the podcast "helped [them] tie pieces of the puzzles together".
Commissioner Fuller says they won't give up on trying to identify Lyn's whereabouts but locating her remains isn't crucial to finalising the matter.
Mr Dawson has denied killing Mrs Dawson, with whom he has two children.
Two separate inquests previously recommended to the NSW Director of Public Prosecutions (DPP) that a "known person", now identified as Chris Dawson, be charged with her murder, but the DPP determined insufficient evidence to lay charges.
Through his duty lawyer, Mr Dawson tried to obtain bail so he could voluntarily go to New South Wales today to face court.
The Gold Coast magistrate described the police case as "circumstantial" given Ms Dawson's body has never been found.
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"We are confident with the case", Supt Scott Cook told reporters on Wednesday.
In what appears to be a clear reference to hit podcast series The Teacher's Pet, he said those additional statements "were the by-product of the media and the work that the media has done". He has said that she abandoned the family for a religious group.
Earlier this week, the ODPP provided advice to police, and following further inquiries, NSW Police detectives applied for an arrest warrant before travelling to Queensland.
"Its taken a long haul but its going to be a very good Christmas for our side of the family knowing that we've finally got somewhere and we're going to find out what actually happened through the court system", he told the program.
Prior to his wife's disappearance, Chris Dawson and his twin brother Paul had been star players for the Newtown Jets rugby league club.
During his time as a teacher, he met Year 11 student Joanne Curtis.
He then added: "We haven't given up hope in terms of finding Lynette Dawson's body".
Despite that, Mr Dawson did not report his wife missing for nearly six weeks.
"We have no doubt whatsoever that Chris will be found not guilty as he is innocent".