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Woman's DNA test helped trigger a breakthrough in the investigation of a 1987 double homicide

Name: Woman's DNA test helped trigger a breakthrough in the investigation of a 1987 double homicide
Uploaded: 2021-11-19T11:06:18-0500
Duration: 5 min 53 s
Description: A woman from Washington state hoping to learn more about her family history ended up helping investigators crack a more than 30-year-old cold case. "48 Hours" correspondent Erin Moriarty joins CBSN to discuss DNA testing and this week's episode.

A woman from Washington state hoping to learn more about her family history ended up helping investigators crack a more than 30-year-old cold case. "48 Hours" correspondent Erin Moriarty joins CBSN to discuss DNA testing and this week's episode.