Military-style vehicles and National Guards troops have blocked a portion of 4th Street in front of the Ronald Reagan Federal Building and Courthouse.

President Donald Trump has built his presidency around stretching the bounds of presidential authority, and his response to protests over an immigration crackdown in Los Angeles is no exception.

Jacob Soboroff, NBC News Correspondent is joined by Los Angeles Mayor Karen Bass on Deadline White House in the wake of Donald Trump sending thousands of national guard troops into her city in response to protests in the streets over ICE arrests and raids.

Rep. Bennie Thompson calls president's ordering Marines, National Guard to LA illegal A superfan bought the "The Brady Bunch" house in Los Angeles for $3.2 million. A sweepstakes gives you a chance to take a tour inside. "What the f*** is this? And we voted for this s***?"

Monday's protests were largely calmer than Sunday's clashes. California officials insist that the 4,000 National Guards troops and 700 active duty Marines en route to L.A. are an unnecessary abuse of power by Trump.

U.S. District Judge Charles Breyer, a former Watergate prosecutor, will decide whether Trump had the legal authority to federalize 4,000 California National Guard troops.

Defense Secretary Pete Hegseth on Tuesday defended the administration's mobilization of the National Guard and members of the Marine Corps to Los Angeles amid ongoing immigration protests.

The Georgia National Guard unit is the first tasked directly with electromagnetic warfare, like cyber attacks and drone protection.