Add Yahoo as a preferred source to see more of our stories on Google. Almost certainly, you never thought you’d be trying to figure out old federal laws that have hardly ever been used. But here we ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’ve been paying attention to President Donald Trump’s vows to deploy active-duty soldiers to police American cities, mainly ...

[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.

The Posse Comitatus Act of 1878, passed during the post-Reconstructing era, is the cornerstone of the legal wall separating the U.S. military from domestic law enforcement. For much of Reconstruction, ...

The Posse Comitatus Act isn’t long. It’s not flashy. But it’s one of the few laws that draws a hard line between democracy and domestic militarization. Passed in 1878 and expanded in 1956, it says the ...

If you’ve been paying attention to President Donald Trump’s vows to deploy active-duty soldiers to police American cities, mainly governed by Democrats, then you’ve probably heard two words pop up ...

Old Law, New Problems: Origins and Purpose of the Posse Comitatus Act The act is now being used to challenge actions by President Donald J. Trump, who has sent federal troops into U.S. cities, and ...