More than 700 Marines based out of the Marine Corps Air Ground Combat Center in California have been mobilized to respond to the protests in Los Angeles, and the troops will join the thousands of National Guard members who were activated by President Donald Trump over the weekend without the consent of California’s governor or LA’s mayor.
Mr Trump could take a more far-reaching step by invoking the Insurrection Act of 1792, which would allow troops to directly participate in civilian law enforcement, for which there is little recent precedent.
Casting protests as an “insurrection” that requires the deployment of troops against US citizens would be riskier legal territory, one legal expert said, in part because mostly peaceful protests and minor incidents are not the sort of thing that the Insurrection Act were designed to address.
Found another possibility …
https://www.straitstimes.com/world/united-states/does-us-law-allow-trump-to-send-troops-to-quell-protests