As the fourth anniversary of the disappearance of Nelson man Leo Lipp-Neighbours approaches Police are continuing to investigate information being received from the public.
Leo was last seen on January 24, 2010 and after an extensive review of the investigation last year Police have come to the conclusion that his disappearance is the result of foul play.
In the last week Police have executed two search warrants on addresses in Marlborough and have searched a third Marlborough address by consent of the occupants as a result of information received.
Those searches did not unearth anything to link the occupants to Leo, however computers have been seized from one of the addresses for further examination.
Head of the investigation Detective Sergeant Mark Kaveney said since 2010 Police had received a wide range of information and had searched a number of properties and spoken with a lot of people.
"Last week's searches were a continuation of the investigative work we have undertaken over the last four years and were similar to a number of other searches we have conducted."
To date, no conclusive evidence has been found to indicate where Leo or his distinctive orange Toyota station wagon may be.
Detective Sergeant Kaveney said Police were not giving up hope of finding Leo.
"We know that someone out there knows something. I just hope their conscience gets the better of them sooner rather than later and they come forward with that information."
Detective Sergeant Kaveney said Police remained in contact with Leo's parents and would dearly love to bring the investigation to a conclusion for their sake.
Anyone with information that may be relevant to Leo's disappearance should contact Nelson Police, Ph 03 546 3840.,
Information can also be given anonymously by calling Crimestoppers on 0800 555 111.
A $50,000 Crimestoppers reward remains active.
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Media inquiries to Tasman Police Communications Manager Ph 0274 780853.