President Trumps Military Deployment in LA Sparks Outrage, Legal Battle Over Immigration Raids. What began as targeted immigration raids has escalated into a constitutional crisis as President Donald Trump’s aggressive enforcement tactics face legal and public backlash in California. The deployment of more than 4,000 National Guard troops and 700 U.S. Marines to Los Angeles authorized to detain civilians has ignited protests, lawsuits, and a fierce debate about the limits of presidential power in America.