India, March 17 -- As the search for Nancy Guthrie enters its seventh week, her daughter Savannah Guthrie is reportedly 'livid' over the false claims linking her brother-in-law to her mother's disappearance, as investigators now focus on two specific dates that suggest the 84-year-old may have been targeted weeks before she went missing.

Federal investigators have been reviewing Nancy's Tucson neighborhood, specifically asking residents for home security footage from January 11 and January 24, weeks before she disappeared.

According to reporter Brian Entin of NewsNation, agents specifically asked for footage from those dates and even watched as neighbors checked their camera archives. Nancy disappeared from her Arizona home on February ...