Today co-anchor Savannah Guthrie ‘s mom, Nancy Guthrie, is still missing more than a month after the abduction from her Tucson, Ariz., home—and Pima County Sheriff Chris Nanos recently shared an update on a "missing piece of evidence."

The 'Today' co-anchor's mother, 84, remains missing over one month after the abduction from her Tucson, Ariz., home.

The "Today" anchor and her siblings recently increased the reward for their mother's recovery to $1 million.

The search for Nancy Guthrie has spanned weeks, with many questions still unanswered

The 'Today' co-anchor's mom, 84, is still missing more than a month after the abduction from her Tucson, Ariz., home.

Savannah Guthrie is feeling the love and support amid the disappearance of her mom, Nancy Guthrie. It’s been one month since the TODAY co-anchor’s mother was kidnapped from her Tucson, Arizona, home in the middle of the night.

Nancy Guthrie, the 84-year-old mother of NBC's 'Today' show co-anchor Savannah Guthrie, was last seen on January 31. Authorities are investigating her abduction after doorbell footage showed a masked man at her Tucson home.

The Federal Bureau of Investigation has amassed as many as 10,000 hours of video in the investigation into the disappearance and possible abduction of Nancy Guthrie, an FBI official said Thursday

Savannah Guthrie, sister Annie and brother-in-law Tommaso Cioni laid flowers at a memorial outside Nancy Guthrie's home.

Pima County Sheriff Chris Nanos has spoken out about the investigation into Nancy Guthrie's disappearance and revealed they are looking into 'hundreds of thousands' of vehicles