WASHINGTON — President Donald Trump on Monday threatened to once again federalize Washington, D.C.'s police force, in what he suggested could come in response to the city's mayor's stated refusal to cooperate with immigration enforcement.

What You Need To Know • President Donald Trump has threatened to federalize Washington, D.C.'s police force agai • He suggests this could happen if the city's mayor refuses to cooperate with immigration enforcement. Mayor Muriel Bowser has said that the city will not work with Immigration and Customs Enforcement • Trump's previous emergency order, which took over the local police force, expired last week • Trump claims his intervention improved crime rates, although data shows crime was already falling • The White House has not confirmed if Tru

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