Social media 'mom detectives' mobilize online to help find missing mother Nancy Guthrie, turning Facebook groups and Instagram into investigative hubs.

“Investigators are not ruling out the possibility that more than one person may be involved,” a Pima County sheriff's spokesperson said Feb. 20.

The search for 84-year-old Nancy Guthrie began after she was abducted from her home near Tucson, Arizona, early on Sunday, Feb. 1, authorities said.

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.

(NewsNation) — Questions continue to swirl as the search for Nancy Guthrie has reached 21 days. One of those continued mysteries is about the 84-year-old mother’s kidnapper(s). A panel joined NewsNation’s Brian Entin to discuss how the assailant was ...

Detectives are vetting nearly 20,000 tips as the search for 84-year-old Nancy Guthrie enters its third week in Tucson. $200,000 in total reward money is offered for her safe return, with new leads