Meet Stephen Miller, the 32-year-old White House adviser who convinced Trump to start separating migrant children from their parents at the border - Business Insider

White House senior policy adviser Stephen Miller has been identified as the driving force behind the Trump administration's "zero tolerance" policy that separates immigrant children from their families at the US-Mexico border.....
http://www.businessinsider.com/who-is-stephen-miller-trump-speechwriter-immigration-adviser-2018-1