Welcome to Siblings in Crime!

In this week’s episode, we dive into the bizarre events of August 2016, when five members of an Australian family vanished without warning—only to reappear under even stranger circumstances.

No phones. No passports. No plan.

Over the next five days, they scattered across the country — abandoning cars, stealing vehicles, and hiding in the most unlikely places.

What caused the Tromp family to flee?

Were they running from something real — or something imagined?

In this episode, we unravel one of Australia’s most unsettling and unexplained disappearances… where every answer only leads to more questions.

Sources

The Age – “This is why I left my family”: The Tromp family’s bizarre road tripThe Guardian – “Police baffled by mysterious disappearance of Tromp family”ABC News Australia – Timeline and interviews on the Tromp caseSydney Morning Herald – Psychological analysis of shared delusions in family cases7News Australia – Exclusive interviews with Mitchell Tromp and law enforcementPsychology Today – Understanding ‘Folie à Deux’ and its variantsThe Australian – “The road to nowhere: inside the Tromp mystery”BBC – Case overview and expert commentary on shared psychosis