India, June 17 -- Nancy Guthrie Case Latest Update: Nearly five months after Nancy Guthrie vanished from her Tucson, Arizona, home, investigators, volunteers and family members remain locked in a race against time for answers. The disappearance of the 84 year old mother of television personality Savannah Guthrie has become one of the most closely watched missing-person cases in the United States, drawing national attention and generating fresh theories as the search enters a critical phase.

A new cybersecurity report and an anonymous tip from Mexico have now added unexpected dimensions to an already complex investigation and raising troubling questions about whether Nancy may have been deliberately targeted because of her daughter's publ...