Douglas County Sheriff Aaron Hansen joins 'America's Newsroom' to discuss the arrest of Abraham Alvarez, alleged ringleader of a terror plot to attack a UFC event at the White House. Alvarez, an illegal immigrant, was granted DACA status in 2014. 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.