NSW homicide detectives have charged a man amid an ongoing investigation into the murder of Danielle Easey.
Ms Easey, a 29 year-old mother of two, was found wrapped in plastic and floating in Cockle Creek, near Wakefield Road, about 10.30am on August 31.
An autopsy would later reveal she had been seriously assaulted and stabbed.
Detectives revealed in September their allegation that Ms Easey was stabbed and seriously assaulted at a home at Narara on the Central Coast round August 17, two weeks before her body was dumped in Cockle Creek
Following extensive inquiries into Ms Easey's associates and her movements during the final days before her death, investigators swooped on September 19 with dramatic raids at an old chicken processing plant at Cardiff and a home at Holmesville.
A man and a woman in their 30s have already been arrested and charged in relation to Ms Easey's death, before police announced on Friday that another 37-year-old man had also been charged.
Detectives arrested the man at a home on Merewether Street, Cardiff, about 7am.
He was taken to Belmont Police Station and charged with concealing the serious indictable offence of other.
The man was granted strict conditional bail to appear at Belmont Local Court on Wednesday, January 8.
Justin Kent Dilosa, 33, and his former partner Carol Marie McHenry, 32, remain behind bars after they were charged in connection with the murder.
Ms Easey was known as "the quaker" baby after she was born on a mattress on the lawn outside Newcastle's Western Suburbs Hospital in December 1989, the day of the earthquake.
Police have urged anyone with information about this incident to contact CrimeStoppers on 1800 333 000, or to use their online reporting page.
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