What happened to Mary Day? Full episode

A 13-year-old girl disappears in 1981. Detectives believe she was murdered. Years later, a woman appears and claims to be the missing girl. Is she an imposter? /"48 Hours/" reports correspondent Maureen Maher. Watch more full episodes of /"48 Hours/" on Pluto TV.

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Crime. Social justice. Impact. /"48 Hours/" investigates the most intriguing criminal and legal cases that touch every area of the human experience, including greed and passion. /"48 Hours/", which premiered in 1988, developed a rich history of original reporting and impactful journalism that helped exonerate those wrongly convicted, led to the reopening and resolution of unsolved cases and, in doing so, changed lives.

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