Alex Sundby is a senior editor at CBSNews.com. In addition to editing content, Alex also covers breaking news, writing about crime and severe weather as well as everything from multistate lottery ...

Jonathan Vigliotti is a CBS News correspondent based in Los Angeles. Vigliotti's reporting has taken him to more than three dozen countries and territories across six continents. Senior producer, CBS ...

Add Yahoo as a preferred source to see more of our stories on Google. Investigators have found DNA inside Nancy's home that was sent to a lab for evaluation. However, Pima County Sheriff Chris Nanos ...

TUCSON, Ariz. — Investigators in the Nancy Guthrie missing persons case are not looking into any new names, Pima County Sheriff Chris Nanos said, amid challenges with mixed DNA found at the ...

Forensic experts are struggling to isolate "mixed" DNA samples found at Nancy Guthrie’s home, a process that could take months. Authorities are searching for a man seen on porch surveillance video, ...