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