The parents of Brian Laundrie knew he killed his fiancée, but hid it from her parents.

The parents of Petito revealed new details about their daughter's death as they accused Laundrie's mother and father.

According to the complaint, Laundrie told his parents what he had done the day after she died. His parents tried to get Laundrie to leave the country as Petito's family was desperate for information about their daughter, according to the complaint.

Christopher Laundrie and Roberta Laundrie knew of the mental suffering and anguish of Joseph Petito and Nichole Schmidt and were able to alleviate it by revealing what they knew about the location of the well-being.