Trump sent National Guard troops to California amid days of protesting federal immigration raids. Here's what's usual, and unusual, about the order.

President Donald Trump's deployment of L.A. will be “the first, perhaps, of many,” he told reporters this week.

U.S. District Judge Charles R. Breyer for the Northern District of California ruled that the decision to deploy the National Guard amounts to “serious injury to the constitutional balance of power between the federal and state governments, and it sets a dangerous precedent for future domestic military activity.”

Federal appeals court blocks California's National Guard victory over Trump, escalating constitutional crisis between president and governor.

A federal judge ruled Thursday that President Trump must return control of California’s National Guard to Gov. Gavin Newsom (D) by Friday afternoon, prompting a lightning-fast appeal that began