EXCLUSIVE: Savannah Guthrie has been sharing videos on Instagram appealing for help in the search for her mom Nancy Guthrie, with the last one being shared six days ago ...

Peter Christiansen told Newsweek the inquiry was moving "from broad public outreach to more clinical evidence consolidation." ...

On Friday, Feb. 20, the Pima County Sheriff's Department shared a new update in the case. "Investigators are not ruling out the possibility that more than one person may be involved," read the update, ...

Add Yahoo as a preferred source to see more of our stories on Google. Nancy Guthrie has been missing since Sunday, Feb. 1. Authorities have received thousands of tips but, so far, none of the leads ...