Nancy Guthrie Update: Sheriffs Remain 'Stuck' on Key Aspect

Nancy Guthrie has now been missing for more than two weeks, and while authorities continue to work various leads in the search for the 84-year-old mother of three, they remain unsure about a motive for the kidnapping.

Pima County Sheriff Chris Nanos admitted as much in a new interview with the Daily Mail, published Monday morning.

Motive still a mystery

Contrary to a local report, Nanos said Guthrie's disappearance is a kidnapping, not a burglary gone bad.

It's finding...