SAN ANTONIO – The Bexar County Crime Lab has access to the national DNA database that helps match samples and identify possible criminals. CODIS, which stands for “Combined DNA Index System,” is a ...
A member of the FBI's Evidence Response Ream searches an area around Nancy Guthrie's residence in Tucson, Ariz., on Feb. 11. Police say that DNA samples have been recovered in and around Guthrie's ...
Authorities investigating the disappearance of Nancy Guthrie say DNA collected from a glove found near her Tucson home produced no matches in the FBI’s Combined DNA Index System, known as CODIS. The ...
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