Nancy Guthrie disappearance: Day 56 latest updates

Saturday marks Day 56 in the search for Nancy Guthrie, the 84-year-old mother of NBC "Today" show host Savannah Guthrie, as we enter the eighth week since her disappearance from her Tucson-area home on Feb. 1.

Mother dies shielding her child from three dogs

Emily Panuco and her 5-year-old son were visiting her mother's house to see several week-old puppies when three adult dogs attacked them.

Nancy Guthrie disappearance: Day 28 latest updates

It's been nearly a month since Nancy Guthrie, the 84-year-old mother of NBC "Today" show host Savannah Guthrie, went missing from her Tucson-area home.

Nancy Guthrie disappearance: Day 18 latest updates

Feb. 18 marks the 18th day since Nancy Guthrie, the 84-year-old mother of NBC "Today" show host Savannah Guthrie, disappeared from her Tucson-area home. Investigators believe she was taken against her will.

Nancy Guthrie disappearance: Day 17 latest updates

Feb. 17 marks the seventeenth day since Nancy Guthrie, the 84-year-old mother of NBC "Today" show host Savannah Guthrie, disappeared from her Tucson-area home. Investigators believe she was taken against her will.

Nancy Guthrie: Man detained was 'person of interest,' sheriff says

A massive law enforcement presence at a Tucson home and a separate FBI vehicle search occurred on Feb. 13, but authorities confirm no arrests have been made in the disappearance of Nancy Guthrie.

Photos: The search for Nancy Guthrie in the Catalina Foothills

Two weeks into the search for 84-year-old Nancy Guthrie, these images document the intensifying law enforcement effort to find the kidnapped mother of "Today" host Savannah Guthrie.

Nancy Guthrie: Sheriff says no one in custody, no one arrested

Pima County Sheriff Chris Nanos on Saturday morning tells Fox News that no arrests have been made and no one is in custody after three people were detained the night before.

Nancy Guthrie disappearance: Day 12 latest updates

Feb. 12 marks the twelfth day in the search for Nancy Guthrie, the mother of NBC "Today" show anchor Savannah Guthrie.

Nancy Guthrie: TMZ receives new email with 'ominous statements'

One day after TMZ received an e-mail from someone claiming to know the identity of Nancy Guthrie's kidnapper, the media outlet received another e-mail, and this time, they say it contains "ominous statements."

Nancy Guthrie disappearance: Day 11 latest updates

Feb. 11 marks the eleventh day in the search for Nancy Guthrie, the mother of NBC "Today" show anchor Savannah Guthrie.

Nancy Guthrie case; Mequon expert talks doorbell video as person detained

A person of interest has been detained in Nancy Guthrie’s disappearance as the FBI recovers doorbell video from backend systems, with a Mequon cybersecurity expert explaining how Nest data can remain.

Nancy Guthrie case: New photos released from recovered doorbell camera video

The FBI and the Pima County Sheriff's Department have released newly recovered images that show "an armed individual appearing to have tampered with the camera at Nancy Guthrie's front door the morning of her disappearance."

Nancy Guthrie disappearance: Day 10 latest updates

Feb. 10 marks the tenth day in the search for Nancy Guthrie, the mother of NBC "Today" show anchor Savannah Guthrie.

Nancy Guthrie: Former FBI agent breaks down her 'very odd' disappearance

Authorities and the FBI are vetting leads in the "odd" disappearance of Nancy Guthrie, 84. While experts suggest the mother of Savannah Guthrie was targeted due to suspicious ransom notes, officials say a motive has not been confirmed.

Nancy Guthrie: Ransom note claim prompts sheriff to release a statement

Pima County Sheriff Chris Nanos said investigators believe Nancy Guthrie, 84, was abducted from her home Jan. 31. The FBI is assisting in vetting a potential ransom note while detectives analyze DNA recovered from Guthrie’s residence.

Border Patrol agents involved in southern Arizona shooting: PCSD

PCSD says a man from the Pima County community of Sahuarita is in serious condition following a shooting that involved Border Patrol agents.