President Trump this week signed an executive order declaring war on so-called sanctuary cities. Agencies within the United States Government will begin withholding federal grant funds from those cities, and additional actions to enforce federal immigration law will be taken soon.
Unlike Obama, President Trump is not trying to making new laws by executive decree. In his Executive Order, the president is only reminding mayors and governors of existing federal law dating to 1996:
U.S. Code › Title 8 › Chapter 12 › Subchapter II › Part IX › § 1373
8 U.S. Code § 1373 – Communication between government agencies and the Immigration and Naturalization Service:
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