Nancy Guthrie disappearance case puts spotlight on cryptocurrency tracking

The disappearance of Nancy Guthrie has drawn attention to the role of cryptocurrency in kidnappings following reports that her alleged captors are demanding payment in Bitcoin.

Nancy Guthrie: Neighbors within 2-mile radius asked to look at security footage

Neighbors within a two-mile radius of Nancy Guthrie have been asked to submit video footage to investigators amid the ongoing search for the mother of NBC "Today" show host Savannah Guthrie.

Nancy Guthrie: Man detained, released by law enforcement speaks out

Carlos Palazuelos, the man detained on Feb. 10 in connection with the disappearance of 84-year-old Nancy Guthrie, claims law enforcement targeted him because his eyes allegedly matched those of a masked suspect seen on surveillance footage.

Nancy Guthrie: Body language expert says 'sociopath' likely was familiar with property

Newly released security footage showing a masked, armed intruder at Nancy Guthrie’s home is being analyzed by a body language expert who believes the subject is familiar with the property.

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: Former CIA agent says one mistake could crack case

A "mistake" by abductors may be the key to finding Nancy Guthrie, according to cybersecurity experts who believe human error will eventually bypass the encryption used in ransom notes.

DPS crew members killed in helicopter crash while responding to Flagstaff shooting

Two Arizona Department of Public Safety crew members were killed in a helicopter crash Wednesday night while responding to an active shooting incident in Flagstaff.

Guthrie family makes direct appeal to possible abductors as alleged ransom deadline passes

As the deadline for a reported ransom note expired, the Guthrie family posted a video to Instagram speaking directly to those they believe are holding their mother, Nancy Guthrie, 84.

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: 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.