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.

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.

Roberta and Chris Laundrie's attorney issued a damning response to the controversial Netflix documentary last week (19 Feb)