DNA challenges have complicated the Nancy Guthrie missing person case as mixed samples delay analysis, Pima County Sheriff ...

Fox News' Claudia Cowan reports on the search for Nancy Guthrie in Tucson, Arizona. The Pima County Sheriff's Department warns against citizen search parties.

The Pima County Sheriff's Department refused to comment on a report that polygraph tests were being conducted.

The Pima County Sheriff’s Department is drawing fresh attention with the debut of a new television series chronicling the ...

Pima County Sheriff Chris Nanos faces scrutiny over Nancy Guthrie case amid decade of controversies, including FBI ...

Oscar Noe Alday is facing charges of escape, domestic violence, aggravated assault, and kidnapping.

Authorities are warning volunteer search groups to stay off Nancy Guthrie's property and give investigators space after ...

Fugitive Oscar Noe Alday, wanted in Pima County on violent charges, was captured in Mexico and returned to the U.S. after ...

The request comes amid reports that the sheriff’s office had fielded over tens of thousands of calls in the first half of ...

The Pima County Sheriff's Department said it hasn't ruled out the possibility that more than one person was involved in ...