A scene guard was in place at an address on Addington Ave this morning, Barry said.
"Police have been conducting a scene examination and are making a number of other inquiries into the incident," Barry said.
"Police are appealing for sightings of a red or maroon Ford Falcon sedan with the registration DPT446 which remains outstanding.
"Anyone with information that may assist our inquiries can contact Counties Manukau Crime Squad on 09 261 1321 or Crimestoppers anonymously on 0800 555 111."