Investigators have erected a white tent outside the front door of Nancy Guthrie's Arizona home. Fox News' Matt Finn reports from the scene. #NancyGuthrie #Tucson #PimaCounty #CrimeScene #Forensics #Investigation #FoxNews Don’t just watch Fox News—be part of it. Become a Fox News Patriot today. https://youtube.com/foxnews/join 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