An apparent large-scale operation Friday night tied to the disappearance of 84-year-old Nancy Guthrie marks a "significant escalation" in the Arizona case, with investigators now racing to canvas ...

TUCSON, Ariz. — A high-profile forensic genealogy company slammed the Pima County Sheriff's Department for sending critical evidence in the Nancy Guthrie case to a private lab in Florida instead of ...

A glove found at the Nancy Guthrie crime scene is headed to a private lab in Florida, sidestepping the FBI's elite crime lab in Quantico. Officials told Reuters that Pima County Sheriff Chris Nanos’ ...

The hack occurred after a server at the Child Exploitation Forensic Lab in the FBI’s New York Field Office was inadvertently ...

The Arizona sheriff's department leading the investigation into the disappearance of Today Show host Savannah Guthrie's 84-year-old mother is blocking the FBI from gaining access to a glove and DNA ...

PHOENIX — Sheriff Chris Nanos of the Pima County Sheriff’s Department (PCSD) is reportedly blocking the FBI from examining key evidence in the case of missing Nancy Guthrie in Tucson. The FBI wants to ...

THE WOODLANDS, Texas - Is a Texas lab the key to solving the Nancy Guthrie disappearance? DNA crime fighters at Othram forensic lab in The Woodlands say they're actively engaged in conversations with ...