Overview
- Nancy Guthrie, 84, was last seen at her Catalina Foothills home on January 31 and was reported missing February 1, and investigators say the probe remains active rather than cold.
- A mixed DNA sample recovered at the residence is being analyzed by multiple state and federal laboratories, including the FBI lab in Quantico, and could contain material from as many as four people.
- Law enforcement has released doorbell and surveillance footage showing a masked man the FBI described as about 5'9" to 5'10" with an average build, but no suspect has been publicly identified.
- Retired FBI agents and commentators have offered speculative theories, including a possible fatal heart attack after an alleged abduction, and officials caution those ideas are not official findings.
- Authorities continue to review thousands of videos and public tips, to offer rewards for credible information, and to treat unrelated discoveries such as August desert remains as separate until proven linked.