Jane, 9, Arnna, 7, and Grant Beaumont, 4, vanished without a trace during a seaside outing to Glenelg Beach in 1966.
The disappearance of Jane, Arnna and Grant from Glenelg Beach in 1966, is one of Australia’s most infamous cold cases.
For over 60 years, the tragic disappearance of the Beaumont children has sat heavy on the conscience of South Australians.