Homeland Security deputizes State Department personnel to enforce immigration - Senior DOJ official oversees immigration enforcement in Chicago during 'national emergency' - Trump's new era of immigration enforcement begins - California AG: DOJ prosecution threats over immigration enforcement a 'scare tactic' - US officials who oppose immigration enforcement to face criminal probe - DOJ to investigate state or local officials who obstruct immigration enforcement: memo - Justice Department directs prosecutors to probe local efforts to obstruct immigration enforcement - Trump plans to intensify immigration enforcement soon after inauguration - Trump's win places immediate focus on immigration enforcement