Article continues below advertisementThe investigation for Savannah Guthrie's kidnapped mom, Nancy, is still ongoing. However, Arizona's Pima County Sheriff Chris Nanos admitted that the case could take "years" to find the 84-year-old.Article continues below advertisementChris Nanos Says the Sheriff's Department Won't Stop Until They Find NancySource: @savannahguthrie/InstagramIt could take 'years' to find Nancy Guthrie, according to the sheriff. "Maybe it's an hour from now," Nanos explained to The New York Times on February 13 about the theoretical timeline to discover Nancy.