New tech transforms DNA ancestry tests into crime solving tools

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New tech transforms DNA ancestry tests into crime solving tools
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Forensic genetic genealogy is a budding science, transforming trendy DNA ancestry tests into crime fighting tools. It garnered attention with the capture of...

Texas Sen. John Cornyn and a North Texas lab are working to make forensic genetic genealogy more accessible to law enforcement.

Kelly was 78 years old in 1989, and White was a soon-to-be bride. A cool day that January, White was wedding dress shopping, browsing racks of cupcake gowns with balloon sleeves.“It needs to have lace on it,” White told her shopping companion. Lace, to her, signified the classy style of her beloved grandmother. White toyed with the idea of Mimi making her dress instead of buying something off-the-rack. Ultimately, the women left and headed to dinner.That night, White pulled into her driveway.

“It became longer and longer in between contacting the Dallas investigator,” White said. “We just kind of all came to terms that the person got away with it.”Traditional DNA analysis has limited ability to identify relatives who share genetic makeup.

Fort Worth police arrested Glen McCurley 46 years later, in 2020, after DNA found on Carla Walker’s bra was sent to a private lab near Houston, and a, police said. McCurley, a neighborhood man, was an early suspect in the case and was interviewed a few weeks after Carla Walker’s body was found. Although detectives didn’t have enough evidence to arrest him then, he remained a suspect for nearly half a century.. McCurley pleaded guilty to the killing mid-trial and was sentenced to life in prison.

Cornyn, a Republican, said he plans to propose legislation to dedicate federal funding to help solve cold cases. Carla Walker is the namesake of the bill, which has not yet been introduced. Cornyn likened the impending legislation to the Debbie Smith Act that provides local and state crime laboratories with grant money to test backlogged rape kits.

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