Nancy Guthrie disappearance: Day 25 latest updates

We're now in the fourth week of the search for 84-year-old Nancy Guthrie, the mother of NBC "Today" show host Savannah Guthrie, who went missing from her Tucson-area home on Feb. 1.

Nancy Guthrie disappearance: Day 24 latest updates

We're now in the fourth week of the search for 84-year-old Nancy Guthrie, the mother of NBC "Today" show host Savannah Guthrie, who went missing from her Tucson-area home.

'We still believe in a miracle': Nancy Guthrie's family offers $1 million reward for 'recovery' of their mom

Savannah Guthrie says her family is offering a reward of up to $1 million for the "recovery" of their mom, Nancy Guthrie, who authorities say was taken against her will from her Tucson-area home earlier this month.

Nancy Guthrie disappearance: Day 23 latest updates

Monday marks Day 23 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 22 latest updates

Sunday marks the third week since 84-year-old Nancy Guthrie, the mother of NBC "Today" show host Savannah Guthrie, disappeared from her Tucson-area home.

Why the Nancy Guthrie investigation is facing "mixed" DNA complications

DNA samples containing multiple profiles are hindering the use of national databases in the Nancy Guthrie missing person case, according to the Pima County Sheriff’s Department.

Nancy Guthrie disappearance: Day 21 latest updates

Saturday marks Day 21 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 20 latest updates

Friday marks Day 20 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 19 latest updates

Thursday marks the 19th 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.

Sheriff defends Nancy Guthrie investigation amid mounting criticism

The sheriff leading a team of hundreds of investigators in the search for 84-year-old Nancy Guthrie is responding to mounting criticism over the handling of the case on Thursday.

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: 'Biological evidence' found at her Catalina Foothills home

Nancy Guthrie, 84, has been missing for 18 days after she was taken from her Catalina Foothills home, and in the meantime, the sheriff's department released information Wednesday about "biological evidence" being found at the scene of the crime.

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.

‘Just let her go’: Sheriff issues plea to suspect in Nancy Guthrie's disappearance

DNA tests on a glove found near Nancy Guthrie’s home yielded no matches in a national database. Pima County Sheriff Chris Nanos, citing a continued rescue mission, urged suspects to release her at a hospital as the search enters week three.

Nancy Guthrie: DNA profile found on glove did not match anyone in CODIS system

DNA from a glove that was found on the side of the road two miles from Nancy Guthrie's Tucson-area home did not match anyone in the national database, the Pima County Sheriff's Department said.

Nancy Guthrie case; Milwaukee attorney offers $100K reward

A Milwaukee attorney is offering a $100,000 anonymous Crime Stoppers reward in the disappearance of 84-year-old Nancy Guthrie as authorities await DNA results from a glove found near her home.

Sheriff clears Nancy Guthrie’s family as suspects in her disappearance

Family members of Nancy Guthrie, including her children and their spouses, have been ruled out as suspects in her disappearance, the Pima County Sheriff's Department said Monday.

Nancy Guthrie disappearance: Day 16 latest updates

Over the weekend, authorities said they were awaiting final lab results for a glove found near the 84-year-old's residence that appears to match the masked suspect's glove in the surveillance video.