The Last InteractionPima County Sheriff revealed that Savannah’s sister, Annie Guthrie, was the last person to see their mother, Nancy.

A Normal Dinner NightAnnie reportedly had dinner with Nancy around 9:30 PM on Saturday before leaving her home in Tucson.

No Cause for ConcernAccording to investigators, Annie stated that her mother seemed perfectly fine and gave no indication of any distress.

The Discovery Next MorningThe family only realized Nancy was missing when she failed to show up for her Sunday morning church service.

Working with the FBIBoth Annie and Savannah are working closely with the FBI and Sheriff’s department to trace their mother’s last steps.

A Bond Like TwinsSavannah has often described Annie as her "other half," saying they are more like twins than just sisters.