The disappearance of Today show co-host Savannah Guthrie’s mother Nancy Guthrie remains unsolved even after investigators retrieved video footage of a possible suspect in front of her doors on the ...

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 ...

A genetic expert who helped crack Idaho killer Bryan Kohberger’s case says there’s still hope of building a DNA profile on the glove found near Nancy Guthrie’s Arizona home — even though the FBI came ...

Alex Sundby is a senior editor at CBSNews.com. In addition to editing content, Alex also covers breaking news, writing about crime and severe weather as well as everything from multistate lottery ...

In the time it takes to process thousands of tips and chase down leads, serial offenders can strike again. That's why forensic expert David Mittelman is arguing the rapid DNA breakthroughs in the ...

Investigators in Arizona are hoping that DNA found in and around Nancy Guthrie's house in Tucson could lead them to a suspect — and the missing woman. Guthrie, the 84-year-old mother of Today show ...

A pregnant woman killed in 1980 was positively identified last month using DNA technology, Southern California authorities said in a news release. Maricela Rocha Parga was 22 years old when she was ...

Officials investigating the disappearance of Nancy Guthrie have recovered DNA from a glove found near her house. If they don't get an exact match, they could turn to genealogy websites for clues. The ...