The police have addressed the media following Chris Dawson's arrest over the murder of Lynette Dawson earlier today.
"In 2015 NSW Police Force unsolved homicide Squad under Strike Force Scriven commenced a reinvestigation into the disappearance and possible homicide of Lynette Dawson," said NSW Police Commissioner Mick Fuller.
"Over the next three years, Detective Dan Poole has worked tirelessly gathering evidence, preparing a brief of evidence with other detectives which culminated in April this year, the submission of a fresh brief of evidence to the department.
"Positive information that enabled NSW police to get an arrest warrant for a 70 -year-old man currently living in Queensland.
"That warrant was executed this morning, a 70-year-old man was arrested and is currently waiting to go before the courts in Queensland to face extradition to NSW.”
Lynette Dawson, a 33-year-old wife and mother of two little girls, Shanelle, then 4, and Sherryn, 2, disappeared in 1982 and hasn't been seen since.
Chris is long thought to have been a suspect in Lyn's disappearance.
Former Cromer High student Joanne Curtis was just 16 at the time of Lyn’s disappearance and was having an illicit affair with Chris, her sports teacher.
The case was made famous after podcast The Teacher’s Pet made headlines earlier this year.