After CODIS failed to show up a DNA match, the FBI is using Investigative Genetic Genealogy (IGG) instead in the search for Nancy Guthrie.

Investigative genetic genealogy, which is a relatively new forensic tool, is now being considered in the search for answers in the Nancy Guthrie case.

The Gastonia Police Department has become the first law enforcement agency in Gaston County to receive a $629,000 grant funding an in-house Rapid DNA system, a technology that can process DNA samples

Gastonia Police Department receives $629,000 federal grant secured by Congressman Tim Moore for Rapid DNA technology, a first in Gaston County.

Texas is using DNA technology and offering a $6,000 reward to solve the 1980 Christmas double murder of a mother and her teenage son in Houston.

While giving an update on the Nancy Guthrie investigation, Sheriff Chris Nanos shut down the theory her kidnapping may have been a 'burglary gone wrong.'