Police insist one of Gus Lamont's grandparents remains a suspect in his disappearance in South Australia's far north.

Police insist one of Gus Lamont's grandparents remains a suspect in his disappearance in South Australia's far north.

Josie Murray was fined $10,500 and disqualified from gun ownership for five years after pleading guilty to possessing a gun silencer

The grandmother of missing little boy Gus Lamont has had an outburst outside court today, captured on camera lashing out at reporters.