In the most recent ruling about sanctuary cities, the federal appeals court in Chicago held last month that the federal government can not withhold public safety grants from cities that won't go along with Trump's immigration enforcement policies.
Trump has clashed with the liberal state repeatedly about myriad issues environmental regulations, budget policies and minority rights - yet the most divisive has been the disagreement over immigration enforcement. You have millions of people who want to see that our neighborhoods are safe and our borders are secure, " she said.
"To me, that's obstruction of justice", President Trump said.
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In addition to being a sanctuary state, California has more than 500 sanctuary cities, including Oakland and San Francisco.
The president then listened as each of the officials attending the meeting praised the work his administration is doing to address illegal immigration and discussed their municipalities' efforts to challenge the sanctuary state law.
Trump argues that the policies violate federal law and result in the release of criminals into communities. "California is in defiance of federal law and this meeting today will highlight that".
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"Incredible moment being able to speak directly to the President of the United States, the Attorney General & Homeland Security Secretary about the devastating impact sanctuary state laws are having on CA & the safety of our residents", Gaspar tweeted after the meeting. "I would recommend that you look into obstruction of justice for the mayor of Oakland".
Brown slammed the president's meeting saying "flying in a dozen Republican politicians to flatter him and praise his reckless policies changes nothing". "We, the citizens of the fifth largest economy in the world, are not impressed", he said.
Los Alamitos Mayor Troy Edgar, whose city's move to officially oppose the law sparked other conservative-leaning cities and municipalities to do the same, also hailed Trump's efforts and went so far as to ask for help fending off a lawsuit by the ACLU.
California Governor Jerry Brown said "Trump is lying on immigration, lying about crime and lying about the laws of California".
The president's comments reportedly came in response to a California official's remarks on MS-13 gang members.
Jose Inez Garcia Zarate had been deported five times when he shot and killed Steinle. In November, a district judge declared the order unconstitutional.