Arizona sheriff in Nancy Guthrie search defends sending DNA to Florida lab
Pima County Sheriff Chris Nanos said the results that investigators have received from DNA testing in the Nancy Guthrie case so far haven't led to a suspect.
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Alex Sundby is a senior editor at CBSNews.com. Based in New York, Alex has a master's degree from the Columbia University Graduate School of Journalism and a bachelor's degree in journalism and political science from the University of Washington in Seattle. He started his journalism career as an education reporter for a weekly newspaper in northern New Mexico. Before coming to CBS News in 2009, he worked as a freelance journalist in New York City, reporting throughout the five boroughs for the New York Post's metro section.
Pima County Sheriff Chris Nanos said the results that investigators have received from DNA testing in the Nancy Guthrie case so far haven't led to a suspect.
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Investigators are combing through the house of "Today" show co-host Savannah Guthrie's mother, Nancy, in search of clues to the 84-year-old's disappearance.
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