In 2024, authorities working to find the killer responsible for the 1969 murder of Mary Kay Heese asked her family to allow an exhumation of her body. They agreed, and more than 50 years after her murder, Mary Kay's casket was lifted out of the ground, and a second autopsy was performed. According to investigators, the way Mary Kay was stabbed was consistent with how slaughterhouse workers are taught to kill animals. Natalie Morales explains. | 48 Hours

Last week, Natalie Morales sat down in prison with the infamous Drew Peterson for his first network interview in more than a decade. Watch it tonight at 9/8c on an all-new 2-hour Dateline. | Dateline NBC

Join Natalie Morales and make her homemade granola. | Today Show