“Investigators are not ruling out the possibility that more than one person may be involved,” a Pima County sheriff's ...

Investigators in the Nancy Guthrie case have turned to genetic genealogy as they try to make the most of potential DNA ...

An investigation to determine if backcountry guides were criminally negligent during a California ski trip that ended with ...

Investigators have launched a manslaughter probe into the harrowing death of a guard at a Winter Olympics construction site ...

Pima County Sheriff asks volunteer searchers to stand down as FBI analyzes evidence in Nancy Guthrie disappearance.

As investigators pass the three-week mark since Nancy Guthrie was last seen by her family, the sheriff leading the search had a message of hope for the family of the 84-year-old mother of "Today" ...

DNA challenges have complicated the Nancy Guthrie missing person case as mixed samples delay analysis, Pima County Sheriff Chris Nanos says, but investigation continues despite setbacks.

Nancy Guthrie went missing 21 days ago. Few leads have publicly emerged about where Guthrie is or who may have taken her as DNA analysis continues.

As the investigation into the disappearance of Nancy Guthrie nears the end of three weeks, the FBI is continuing to press ...

Saturday marks Day 21 since Nancy Guthrie, the 84-year-old mother of NBC "Today" show host Savannah Guthrie, disappeared from ...