Savannah Guthrie's sister reportedly last saw their missing mom

Authorities say Annie Guthrie had dinner with her mother Nancy on Jan. 31 and is believed to be the last person to see her; Nancy, 84, was later reported missing and investigators are treating the case as an abduction. DNA recovered at the home has been sent to a Phoenix lab and test results are pending.

An 84-year-old woman, Nancy Guthrie, has been reported missing after not attending church on Sunday. Family members say Annie Guthrie had dinner with Nancy on Jan. 31 and is believed to be the last person to see her. Pima County Sheriff Chris Nanos said investigators are treating the disappearance as an abduction. Authorities reported that Nancy depends on medication, and they have expressed concern about her well-being. Key details: - Annie Guthrie told investigators she did not notice any red flags during the dinner on Jan. 31. - Nancy was reported missing around noon after failing to attend church the following day. - Personal items, including her cell phone, car, and wallet, were left at the home, and DNA recovered at the scene has been sent to a Phoenix laboratory. - Officials said Nancy requires regular medication and that DNA testing results are pending; authorities described the timing as critical. Summary: Investigators continue to treat the case as a possible abduction and are awaiting forensic results from the laboratory. Undetermined at this time.