President Trump needs Congress' permission to use D.C.'s police for over 30 days, but there are no such limits on its National Guard. Experts spoke to NPR about how the takeover could end.

U.S. President Donald Trump has called upon governors from several Republican states to deploy their states' National Guard to Washington, D.C., which Trump has claimed is ridden with crime. As troops poured into D.

Three more Republican governors authorized the deployment of National Guard troops to Washington on Monday, part of President Donald Trump’s escalating show of force that he says is designed to crack down on crime and boost immigration enforcement in the nation’s capital.