August 'Gus' Lamont vanished from his grandparents' remote Outback homestead, about 25 miles south of Yunta, north-east of Adelaide, on Saturday afternoon. The search has yielded just one clue - a single footprint that detectives have described as unusualThe search party seen on September 30. The search quickly escalated into one of the biggest operations in South Australia's history'The property is very isolated. As the official search winds down, faint hope remains that Gus may yet be found alive. His family have been left clinging to the smallest chance that the boy in the Minions shirt will be found safe.