Police at Kapiti have seized one of two cars they were looking for as part of an investigation into a suspected killing.
Raymond Piper, 23, was last seen on 15 May in Paraparaumu.
Forensic specialists are examining a maroon 1993 Nissan Bluebird car after it was taken by officers from an address at Paraparaumu on Wednesday.
Police began a homicide inquiry earlier this week after an examination of a four wheel drive vehicle found south of Whanganui, indicated Mr Piper died violently.
Police say neither of the owners of the properties where the vehicles were found, are involved in the inquiry.
They still want information on a red 2006 Holden Commodore, which was last seen with the Nissan Bluebird at Otaihanga Domain on the morning of 19 April.