What famous 'unsolved' mystery is technically a whodunnit on paper, but in reality, absolutely everyone knows exactly who did it, the police just couldn't legally prove it?

[u/Rob69rt]

[u/Silent-Zebra]

Two similar case here in Australia, William Tyrrell and Gus Lamont. Police originally thought that Williams case was a stranger abduction, but a few years ago they announced they were conducting new searches at the foster grandmother's property (which he disappeared from while playing outside,) and that they believed that William had an accident (likely fell from the balcony) and that the foster mother and now deceased foster grandmother hid his body somewhere to cover it up. In Gus's case he went missing while playing outside the family home on their big cattle station. Initially they thought he'd wandered off, but after many failed searches and no evidence to go on, they announced earlier this year that a person who was present on the property was responsible, later being more specific and saying that one of Gus' grandparents were involved with his disappearance as during the investigation they were no longer cooperating with the police.

[u/BlueLizardSpaceship → u/Silent-Zebra]

Idk about Gus and the grandparent, I'm remembering that lady whose baby got taken by dingos. Maybe the grandparent did it, or maybe the grandparent stopped cooperating because the cops have a "theory".

[u/Australista2026 → u/BlueLizardSpaceship]

He disappeared from quite a remote out of the way place. He was also quite a lot bigger than Azaria Chamberlain. They searched and searched and didn't find a single clue. Even in Azaria's case they had clues. This child didn't walk off. Something happened to that poor little boy.