Nancy Guthrie is among the thousands of people who go missing in the U.S. each year. But experts describe her case as "strange," with many unique details, from her age to her celebrity daughter.
It has been 30 days since 84-year-old Nancy Guthrie, mother of TODAY show co-host Savannah Guthrie, was kidnapped from her Catalina Foothills home.
Various Supreme Court cases have ruled that evidence found by bloodhounds is admissible in court.
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