44K views · 409 reactions | Almost 60 years ago, three young siblings set off for a day at their local Adelaide beach, and never returned home. Forever known as the Beaumont Children, their disappearance remains one of Australia's most infamous unsolved cold cases. #9Today | WATCH LIVE 7am | TODAY | Facebook

8.7K views · 70 reactions | It's a cold case mystery that has captivated the nation and almost 60 years on, so many people are still asking what happened to the Beaumont children. #9News | 9 News Adelaide | Facebook

Claims tonight of a key new piece of evidence which could help solve the Beaumont Children mystery. It's been revealed one key suspect was related by marriage to the family, potentially explaining why the children might have trusted him. #9News | 9 News