Police continue to investigate the death of Tony Waldron, a dairy farm worker and father of two, in Rakaia on 18 September.
Detective Senior Sergeant Richard Quested said the inquiry team was making good progress and following strong lines of inquiry.
A scene examination at a second Gardiner’s Road property in Rakaia has been completed and the focus of the search has now moved to the Rakaia river bed.
The inquiry team executed a search warrant at a property in Papanui in Christchurch and a scene examination is under way there.
A vehicle has also been seized and that too will be forensically examined in the coming days.
The inquiry team continue to work long hours and are leaving no stone unturned in the hunt for those responsible for Mr Waldron’s death.
Police are still asking anyone with information that could assist the enquiry to contact them on 105 or go to the nearest police station.
Information can also be provided anonymously via Crimestoppers on 0800 555111.