Law enforcement asks anyone with information to contact 1-800-CALL-FBI or tips.fbi.gov, the Pima County Sheriff's Department (520-351-4900) or 88-CRIME. Investigators searching for Nancy Guthrie are ...

Pat Milton, an award-winning journalist, is the senior producer of the CBS News Investigative Unit, specializing in national security, the FBI, Intelligence and federal law enforcement. Senior ...

One theory has been shot down by experts amid the ongoing Nancy Guthrie investigation -Credit:Instagram A widespread theory surrounding Nancy Guthrie's disappearance has been dismissed after Google ...

PIMA COUNTY, Ariz. -- The search for 84-year-old Nancy Guthrie, the mother of "Today" host Savannah Guthrie, began after she was abducted from her home near Tucson, Arizona, on Sunday, Feb. 1, ...

We are in the sixth week of the search for Nancy Guthrie, the 84-year-old mother of NBC "Today" show host Savannah Guthrie, who went missing from her Tucson-area home. On March 5, Savannah Guthrie ...

TUCSON — Images of a masked man standing on Nancy Guthrie's porch, who was described as a suspect in her disappearance, appear to have been taken on two different days, two news outlets reported on ...

On Mar. 5, a Pima County jail inmate, Christopher Michael Marx, filed a lawsuit against Nanos and the Pima County Sheriff's Department (PCSD) in the U.S. District Court for the District of Arizona. 🎬 ...

TUCSON, Ariz. — One of Nancy Guthrie’s Nest doorbell camera images released by the FBI was taken on a different date than the others, a source with knowledge of the investigation confirmed to Fox News ...

Alex Sundby is a senior editor at CBSNews.com. In addition to editing content, Alex also covers breaking news, writing about crime and severe weather as well as everything from multistate lottery ...

A former FBI agent believes that investigators should explore a new possible angle in the mysterious disappearance of Nancy Guthrie. Jonny Grusing worked in the FBI’s Denver Division for 25 years, ...

Sheriff Nanos leads the investigation into Nancy Guthrie's 22-day disappearance in Tucson. Mixed DNA samples complicate identification; technology advancements may help soon. Nanos told Guthrie’s ...

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. DNA found on a glove two miles from Nancy's ...