India, Feb. 16 -- Pima County Sheriff, who is overseeing the search for Nancy Guthrie, has stated that he "understands" the reasons some people have suggested her son-in-law should be regarded as a suspect. However, he emphasized that he does not wish to label "a mark on somebody who could be completely innocent."

Tommaso Cioni, who is married to Annie, the sister of "Today" show host Savannah Guthrie, was initially the focus of speculation regarding Nancy's disappearance, partly because he was the last person confirmed to have seen her before her disappearance on February 1.

Stressing that "nobody" has been excluded from consideration, Pima County Sheriff Chris Nanos expressed concern regarding the "nasty stuff" being spread about Cion...