A body found in thick bushland in Karragullen is believed to be that of missing Lesmurdie man Michael Pruiti.
Police spent this afternoon examining bushland, 7 News reported.
It is understood the Pruiti family has been informed of today's developments.
“Forensic tests are needed to confirm the identify of this body, but police say it is a murder case,” 7 News said.
Police said this week that the discovery of Mr Pruiti’s burnt-out car in bushland recently led them to believe he had been murdered.
His car, a 2000 Mitsubishi Magna, was found in bushland in Bartons Mill.
Det-Sen. Sgt James Bradley appealed to those people who knew who killed Mr Pruiti to come forward.
He said Mr Pruiti's sisters had been left "distraught and distressed" by the recent news.
He said finding the car was a major development in the case, but would not comment on whether police or a member of the general public had made the discovery.
The Bartons Mill track is often frequented by four-wheel-drive or motocross enthusiasts.
Anyone with information is asked to contact Crime Stoppers on 1800 333 000.