When does The Disappearance of Gabby Petito return?

Gabrielle Venora Petito, 22, was killed by her fiancé Brian Christopher Laundrie in August 2021. The case gained widespread attention due to the couple's documenting of their travels on social media. Petito's remains were found in Wyoming's Bridger–Teton National Forest on September 19, 2021. An autopsy found that she died by blunt-force injuries to her head and neck and manual strangulation. Laundie was found dead from a self-inflicted gunshot wound to the head. The FBI announced that he had admitted to killing Petito in his notebook found near his remains.