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Sneak peek: A Killer in the Family Tree

Name: Sneak peek: A Killer in the Family Tree
Uploaded: 2023-01-18T08:30:00-0500
Duration: 3 min 42 s
Description: 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 Saturday, Jan. 21 at 9/8c on CBS and streaming on Paramount+.

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 Saturday, Jan. 21 at 9/8c on CBS and streaming on Paramount+.