Detectives and forensic officers swarmed over every corner of the white 1970s-era mobile home with an annex and a cabin on the grounds of the Riviera Ski Gardens at Lower Portland.
Justin Stein allegedly spent five hours towing a boat carrying the body of schoolgirl Charlise Mutten encased in a barrel on a five hour trek before dumping her in remote bush on the Colo River.
Detectives are pursuing three key questions surrounding the alleged murder of Charlise Mutten including the motive of her stepfather Justin Stein, who has been charged over her grisly death.
The mother of the man accused murdering schoolgirl Charlise Mutton, has defended her tortured private schoolboy son - firing explosive claims at the nine-year-old s mum.