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 ...

Federal and local authorities will use genetic genealogy to analyze DNA found at Nancy Guthrie’s home as the ongoing investigation into her possible abduction stretches into its third week. The ...

TUCSON, Ariz. — A Q-tip, a tissue and a pizza crust. To investigators, this seemingly innocuous trash was DNA-laden treasure, helping crack the cases of the University of Idaho murders, the Golden ...

The hunt for Nancy Guthrie, the 84-year-old mother of the “Today” show host Savannah Guthrie, has extended to its 19th day. The authorities have said they believe she was abducted from her home in a ...

PIMA COUNTY, Ariz. -- The search for 84-year-old Nancy Guthrie, the mother of "Today" host Savannah Guthrie, began after she was abducted from her home near Tucson, Arizona, on Sunday, Feb. 1, ...

Mr. Ford is an essayist and a technologist. On weekday evenings, heading home on the subway from Union Square in New York City, I log into an A.I. tool from my phone and write a prompt. “Look at the ...

An FBI official says investigative genetic genealogy is underway in the Nancy Guthrie investigation. This after DNA found on a glove matching the type worn by the subject seen in surveillance video ...