Authorities are investigating the disappearance of NBC host Savanah Guthrie's mother, Nancy, after she was reported missing from her home near Tucson, Arizona. #foxnews #breakingnews #nancyguthrie #savannahguthrie #missingperson #tucson #arizona #pima #lawandorder #investigation #sar #today #nationalsecurity Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.foxnewsgo.com/ Download the Fox News app: https://