A member of the search party looking for missing four-year-old Gus Lamont has revealed there is zero evidence he is on the property he vanished from.

The multi-agency search has now been abandoned with the case handed back to police after soldiers, volunteers and officers spent nine days scouring both land and water on the sheep farm near Yunta in rural SA where Gus disappeared on September 27.

A former SES volunteer, Jason O’Connell, who joined the search and helped walk the 60sqkm property with the missing boy’s father, has now spoken out about the bizarre theories around the case.

“My heart breaks for (the father),” O’Connell told 7NEWS.

“It’s been searched. (Gus) is not there.”

O’Connell was given police approval to use his tracking skills to help with the search.

He told 7NE

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