Trump's plan to address crime in D.C. calls for deploying National Guard troops along the National Mall overnight Wednesday into Thursday morning, according to a source.

WASHINGTON – President Donald Trump deployed 800 National Guard troops to the streets of Washington, DC, a rare flex of his presidential authority over the military while a court mulls the legality of his prior order sending troops to Los Angeles.

1. Trump activated the National Guard. The president can still call up the National Guard in Washington. His authority is less clear in Los Angeles, where a legal battle continues over his recent deployment of the National Guard despite the objections of Gov. Gavin Newsom.