Authorities later discovered Petito was murdered by her fiancé Brian Laundrie, and the Laundrie family has been scrutinised ever since, as they remained notably tight-lipped throughout the entire case.

Brian Laundrie's sister, Cassie Laundrie, has spoken out about her estranged relationship with her parents and her lack of involvement in the murder of Gabby Petito.

What to know about the search for Gabby Petito amid the premiere of the Netflix series 'American Murder: Gabby Petito,' which recounts the case.