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 ...

In an exclusive with Parade, Former FBI agent Greg Rogers explains how specialized DNA testing and international coordination ...

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 ...

Investigators are analyzing DNA evidence from the home of missing 84-year-old Nancy Guthrie. Previous DNA testing on gloves found two miles away did not produce a match in the FBI's national database.

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 ...