Murdered Sydney woman Nicole Cartwright's body had DNA of four men on it

A woman's body discovered bound and gagged in a Sydney playground had the DNA of four different men on it.

Nicole Cartwright, 32, was found dumped in a park at Hunters Hill, on Sydney's lower north shore, in the early hours of October 3 last year.

No one has been charged with her murder. 

But Daily Mail Australia can reveal homicide detectives have narrowed their manhunt to a group of men who were all sexually involved with Ms Cartwright in the days leading up to her death.

While charges are yet to be laid, detectives are understood to have identified a prime suspect after obtaining evidence linking the man to moving her bruised and battered body. 

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When the body of Nicole Cartwright (pictured) was discovered bound and gagged in a Sydney playground, the DNA of several different men was found on it, it can be revealed

When the body of Nicole Cartwright (pictured) was discovered bound and gagged in a Sydney playground, the DNA of several different men was found on it, it can be revealed

Ms Cartwright, 32, was found dumped in a park at Hunters Hill (pictured), on Sydney's lower north shore, in the early hours of October 3, 2018. No one has been charged with her murder.

Ms Cartwright, 32, was found dumped in a park at Hunters Hill (pictured), on Sydney's lower north shore, in the early hours of October 3, 2018. No one has been charged with her murder.

Ms Cartwright was last seen on CCTV at Museum train station in the city at 9.14pm on September 30.

Between September 27 and September 30 she travelled across the city, visiting Bondi Junction in the east and St Marys in the west.

Her body was discovered about 7.30am by a council worker who had arrived to open the park gates.

Ms Cartwright was suffering severe head injuries and had her hands tied when she was found.

Drag marks almost 30 metres in length were also located through the nearby park.

Police sources said Ms Cartwright was heavily active on sexual fetish websites in the lead up to her death.

It is understood she met the men whose DNA was found on her body through the websites.

As Strike Force Winkurra was launched to investigate her death a number of the men came forward and identified themselves to police.

From these men police have narrowed their

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