About this episode

The episode explores the mysterious disappearance of 13-year-old Mary Day in 1981 and the subsequent investigation that revealed shocking family secrets.

13-year-old Mary Day disappeared in 1981. More than 20 years later, investigators suspected she’d been murdered, and focused on Mary’s mother and stepfather, who had never filed a missing persons report. But just as investigators seemed to be closing in on the truth, the case would take a shocking turn. "48 Hours" correspondent Maureen Maher reports. This classic "48 Hours" episode last aired on 12/23/2023. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.

People in this episode

Host: Maureen Maher

Topics covered

• disappearance
• murder investigation
• family dynamics
• true crime
• cold case

Keywords

• Mary Day
• disappearance
• murder
• investigation
• true crime
• cold case
• 1981

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