Judge Chrales Breyer ruled that President Donald Trump has violated the Posse Comitatus Act when he deployed troops to Los Angeles to conduct law enforcement operations, but did he? Here's what it ...

A Mississippi National Guard Soldier patrols the Washington, D.C. Metro (Christian Brown, DVIDS). The Insurrection Act of 1807, codified at 10 U.S.C. §§ 251–255 (formerly §§ 331–335), empowers the ...

The Posse Comitatus Act is a nearly 150-year-old federal law that limits the U.S. military’s role in enforcing domestic laws. At its core, experts say the law reflects America’s long-standing belief ...

The act is now being used to challenge actions by President Donald J. Trump, who has sent federal troops into U.S. cities, and plans to enlarge the scope of the National Guard with respect to crime in ...

California’s fight to rein in President Trump’s deployment of troops to Los Angeles hinges on a 19th century law with a a blood-soaked origin and a name that seems pulled from a spaghetti western film ...

A U.S. law dating to the days of Reconstruction following the Civil War is at the center of a controversy over whether President Donald Trump can send active-duty Marines into Los Angeles to help ...

[This post is co-authored with Professor Seth Barrett Tillman.] The Supreme Court's decision in Trump v. Illinois (2025) was issued in a preliminary context, and without the benefit of oral argument.

United States District Court Northern District of California 1 23 4 5 6 Case 3:25-cv-04870-CRB Document 176 Filed 09/02/25 Page 1 of 52 IN THE UNITED STATES DISTRICT ...