South Australian Police inspected an outhouse with newly installed cement and a water tank as part of the latest search for missing four-year-old Gus Lamont in the state’s central north.
Detectives are nearing the end of a two-day investigation, but so far no evidence has been found.
On the second day, Task Force Horizon officials focused on nearby property owned by Gus’s family, about 20 miles (30 kilometers) west of the Oak Park train station, where the boy disappeared about five months ago.
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Officers searched a remote area of the sheep farm, inspected a water tank and inspected an outhouse that had recently been poured with fresh cement.
Cadaver dogs trained to detect human remains were brought in from New South Wales to assist in the search.
Police then moved to the Grampus property, about 15 miles from Oak Park, where major crime detectives were seen combing the gardens and property. No evidence related to Gus’ disappearance was found at either location.
Earlier in the day, police helicopters departed Peterborough Airfield for the Puarco Mountains Conservation Park, south of Yunta, as part of a coordinated search operation.
The operation is due to end today and 7News understands officers will continue to be stationed in the area.
Gus was last seen on September 27, when police say he was last seen playing outside the main house while his grandmother was inside caring for his younger brother.
Major Crime Officer Detective Superintendent Darren Fielke admitted police could not rule out the possibility that Gus was still on the 60,000 hectare property when officers arrived at the farm on the night of September 27.
“Police immediately went to the scene after being informed that Gus was missing.
“Yes, there was some time in between, but it is possible.
“We’re still working on that (original) timeline.”
The proposed schedule is currently under intense scrutiny.
On Tuesday, police arrested and charged Gus’s grandmother, Josie Murray, 75, with firearms violations.
Authorities said the charges are not related to the child’s disappearance. She is due to appear at Peterborough Magistrates Court in May.