Investigation Continues in Nancy Guthrie Disappearance with DNA Analysis and New Clues

Nancy Guthrie, 84, has been missing since February 1 near Tucson, Arizona. The Pima County Sheriff's Department and FBI are investigating, with tensions reported between the agencies over control of the case. DNA evidence from her home is mixed and incomplete, potentially taking up to a year to analyze at a private Florida lab. Volunteers have found blood-stained gloves, a backpack, and other items near her residence. Surveillance footage shows a masked man tampering with a camera before her disappearance, but no suspects have been identified yet.