In an interview with The Daily Mail, Pima County Sheriff Chris Nanos admitted that authorities are "stuck" on the exact motive.

Sheriff Chris Nanos responds to speculation about Nancy Guthrie’s son-in-law as investigators pursue kidnapping leads in the ongoing search.

Pima County Sheriff Chris Nanos also noted that he and his team don’t want to put a “mark on somebody who could be completely innocent.” ...

Authorities believe hidden cloud footage could identify the masked intruder tied to Nancy Guthrie’s abduction.

The search for Nancy Guthrie has entered its third week as investigators hunt down a suspect seen tampering with her doorbell ...

In a new video posted online on Sunday, Savannah Guthrie told whoever had abducted her mother, Nancy Guthrie, that “it is never too late to do the right thing,” making an emotional direct appeal at ...

The huge disparity in price between Nancy Guthrie and her daughter, Annie Guthrie and son-in-law, Tommaso Cioni's Arizona properties, which surfaced amid former's disappearance.