Nancy Guthrie: Arrest made in 'imposter ransom demand,' FBI says

Authorities say an arrest has been made in connection to an "imposter ransom demand" in the disappearance of 84-year-old Nancy Guthrie, the mother of NBC “Today" show host Savannah Guthrie.

Nancy Guthrie: Timeline of disappearance released by Arizona sheriff

Nancy Guthrie, the 84-year-old mother of NBC "Today" show host Savannah Guthrie, has been missing for days and authorities on Feb. 5 released a timeline of events leading up to her disappearance.

Nancy Guthrie: What to know about the woman Arizona authorities are looking for

As authorities continue to try and find 84-year-old Nancy Guthrie in southern Arizona, here's what to know about the missing woman, whose daughter is the host of a major national morning television program.

Nancy Guthrie: Trump directs federal law enforcement to assist in Pima County search

President Donald Trump announced on Feb. 4 that he's directing "all federal law enforcement" to assist in the search for Nancy Guthrie, 84, who was reported missing from her Catalina Foothills home on Jan. 31.

Nancy Guthrie disappearance: Day 4 latest updates

Nancy Guthrie was last seen on the evening of Jan. 31 at her home outside of Tucson. She was reported missing after her family members were notified that she hadn't shown up for church.

Nancy Guthrie: Family seeks proof of life amid ransom note reports

In an emotional video, “Today" host Savannah Guthrie & her siblings pleaded for the return of their mother, Nancy Guthrie, 84, missing from Tucson since Jan. 31. Addressing ransom note reports, the family said they're “ready to talk" but demand proof of life.

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: Her disappearance doesn't appear targeted, PCSD says

Pima County Sheriff Chris Nanos said investigators believe 84-year-old Nancy Guthrie was taken from her Catalina Foothills home between Jan. 31 and Feb. 1 against her will, though officials currently found no evidence the incident was targeted.

Nancy Guthrie disappearance: Day 3 latest updates

Authorities say "concerning circumstances" at Guthrie's Catalina Foothills home suggest she was taken against her will, and was possibly kidnapped or abducted. Signs of forced entry were reportedly found at the scene.

Timeline: NBC host Savannah Guthrie’s mother disappears as sheriff says she may have been 'abducted'

Officials in Tucson, Arizona, are continuing to search for the mother of NBC "Today" co-host Savannah Guthrie after she went missing from her home and was last seen on Saturday night, saying that a crime has been committed.

Nancy Guthrie: Mom of 'Today' show host Savannah Guthrie may have been 'taken against her will'

The Pima County Sheriff’s Department has launched a criminal investigation into the disappearance of Nancy Guthrie, 84, the mother of "Today" show host Savannah Guthrie, who authorities believe was taken from her Catalina Foothills home against her will.

Missing Madison Heights man with mental disability found

The public is asked to be on the lookout for a missing man who has not been seen in two days. Jamar Tate of Madison Heights left his residence on Jan. 10. His family is concerned he may not be able to take care of himself.

Texas 19-year-old Camila Mendoza Olmos vanishes outside her home on Christmas Eve

A search is underway Saturday in Texas after a 19-year-old woman who "normally goes for a morning walk" disappeared outside of her home on Christmas Eve, police said.