As authorities continue to search for missing Arizona resident Nancy Guthrie, investigators said that the suspect in her disappearance may still pose a threat. Pima County Sheriff Chris Nanos said while evidence suggests the case may have been targeted, officials cannot rule out further danger, underscoring ongoing concerns for both the public and Nancy's safety two months into the investigation. Sheriff Nanos warns of potential danger Nanos said it would be premature to reassure the public that the suspect poses no broader risk.