Police are sill looking for information about the movements of two vehicles, as they continue investigating the killing of pregnant woman Rae Portman.
They believe a body they found at a rural property in Ardmore south of Auckland, is hers.
A man has been charged with kidnapping the 33-year-old, and may face further charges.
Investigation head Detective Inspector Mark Gutry is still looking for information a yellow Commodore ute with the registration "LCKDUP" in June.
"We believe that that vehicle, and a black Astina, that belonged to Rae Portman, travelled to Hamilton and back throughout the night of the 20th - 21st. Information around that would be very helpful to us."
Anyone with information should call 0800 RAE PORTMAN.
Photo: Rae Portman (Supplied)