close Video Leavitt says Trump will not 'waver' on illegal immigration crackdown White House press secretary Karoline Leavitt discusses President Donald Trump’s efforts to unify Americans, the debate over ICE operations and more on ‘Sunday Morning Futures.’ NEWYou can now listen to Fox News articles! A Nicaraguan man living illegally in Pittsburgh faces up to 20 years in prison after allegedly launching a violent attack on federal agents – ramming a law enforcement vehicle, trying to grab an officer’s gun, and biting an agent – following a failed attempt to buy a firearm. A federal grand jury in Pittsburgh indicted 33-year-old Darwin Alexander Davila-Perez on Wednesday on a charge of assaulting a federal officer. The investigation began when the Department of Homeland Security learned that Davila-Perez had tried to buy a gun from a local dealer.