Brian Laundrie’s sister is speaking out for the first time since the release of Netflix’s documentary "American Murder: Gabby Petito." The documentary covers Brian’s 2021 killing of Petito, followed by his suicide.

Roberta and Chris Laundrie issued a damning statement against the Netflix true-crime documentary last week (19 Feb)

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.