Authorities investigating the disappearance of 84-year-old Nancy Guthrie say they believe she was likely “targeted,” though officials are still working to confirm the motive.
Chris Nanos, the sheriff of Pima County, revealed the update Thursday while warning that the suspect responsible for Guthrie’s disappearance could potentially strike again.
“We believe we know why he did this, and we believe that it was targeted, but we can’t say we’re 100% sure of that,” Nanos told NBC News.
Because investigators are still piecing together the details, Nanos said it would be irresponsible to reassure the public that the suspect is no longer a threat.
“So it’d be silly to tell people, ‘Yeah, don’t worry about it. You’re not his target,’” he said. “Don’t think for a minute that because it happened to the Guthrie family, you’re safe. No — keep your wits about you.”
Guthrie disappeared on Feb. 1 from her home in Tucson, prompting an extensive search effort that has now stretched more than a month. Despite the ongoing investigation, authorities have not publicly identified a suspect.
The sheriff’s office has also faced criticism during the investigation. Questions were raised after the area outside Guthrie’s home was reportedly left unsecured, allowing reporters — and even a pizza delivery driver — to approach the front door.
Frustration has also grown among members of the public due to the lack of arrests or significant updates in the five weeks since Guthrie vanished.
Officials say the investigation remains active, though many details — including the suspected motive — have not been released.