Major Crime are investigating the disappearance of Robert Atkins, which has now been declared a Major Crime.
Robert Atkins, 48, was reported missing by his mother on 2 January and is believed to have been murdered.
Tonight Major Crime detectives and Forensic Response Section personnel are conducting a search and forensic examination of a home in Mander Road, Christies Downs.
A press conference will be held on Friday 23 July providing further details regarding the investigation.
Anyone with information that may assist the investigation is asked to contact Crime Stoppers on 1800 333 000 or online at www.crimestopperssa.com.au