A Killer in the Family Tree | Full Episode

When a woman uploads her DNA to a genealogy website, authorities show up at her door. Is there a double murderer in her family tree? "48 Hours" correspondent Erin Moriarty reports. Watch more full episodes of "48 Hours" on Pluto TV.

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True crime. Real justice. "48 Hours" investigates the most intriguing crime and justice cases that touch on all areas of the human experience including greed and passion. "48 Hours," which premiered in 1988, has developed a rich history of original reporting and impact journalism that has helped exonerate wrongly convicted people, caused cold cases to be reopened and solved, and along the way changed lives.

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