President Trump has long mused about sending the military to crush protests in blue-state cities. He is now using troops in Los Angeles.

President Trump deployed the National Guard in California in response to protests against immigration raids, citing federal law Title 10. This move drew criticism and legal scrutiny for potentially stifling free speech.

Trump calling the National Guard into Los Angeles should "give every American chills," a former federal prosecutor told Newsweek.

President Trump's deployment of the National Guard to break up immigration protests ... is that this escalatory response creates not just legal and ethical jeopardy for troops, but exacerbates ...

The U.S. functions become controversial as federal forces, including 700 Marines and 4,000 National Guard troops, are deployed in Los Angeles. This has sparked debate over military involvement in immigration law enforcement and led California to file a lawsuit challenging the legality of such actions.

Residents and experts say the response is reminiscent of a longstanding dynamic in the state and around the country.