India, June 15 -- Nancy Guthrie Case Latest News: An anonymous tip about a potential mass grave site in Mexico has led to a series of questions, related to Savannah Guthrie's missing 84 year old mother, Nancy Guthrie. Meanwhile, a former FBI agent has revealed what could be a 'huge breakthrough'.

Nancy Guthrie Case Latest News: Anonymous Grave Tip Raises Fresh Questions

A group of volunteers from the Buscando Corazones Nogales organisation in Mexico got straight to work after receiving an anonymous tip. According to the tip, the grave of Savannah Guthrie's 84 year old mother, Nancy Guthrie is located near Nogales in Northern Mexico, which is located close to the US border.

So far the extensive grave search has not yielded any results. ...