India, Feb. 14 -- Pima County Sheriff made a shocking statement in Nancy Guthrie's disappearance case, saying it may take 'years' to find the missing 84-year-old.

"Maybe it's an hour from now, maybe it's weeks or months or years from now," Sheriff Chris Nanos stated to The New York Times on Friday when questioned about the potential duration for finding Nancy.

"But we won't quit," he added.

As the search is set to enter the third week, Nanos said that he was "exhausted" from the search. Saturday will signify two weeks since Nancy, the mother of NBC Today host Savannah, was last seem at her residence in Tucson.

"It's exhausting, these ups and downs. But we will keep moving forward," he said.

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