Artificial intelligence experts try to find clues in Nancy Guthrie's ransom note
A crucial deadline set by Nancy Guthrie's kidnappers passed without her returning Monday night, and the FBI said it is…
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Who kidnapped Nancy Guthrie? A week after the kidnapping, few answers as the search becomes more desperate
A week after Nancy Guthrie was kidnapped from her Tucson home, investigators spent the weekend searching at least two residences…