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 ...

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 ...

File - In this Jan. 19, 2007 file photo, Staff Sgt. Kevin Black, 36, of Kenmore, N.Y., of the New York National Guard keeps an eye on a group of suspected illegal immigrants near the Arizona-Mexico ...

To understand the battle between Donald Trump and the state of California, it helps to recall Alfred the Great. In the ninth century, Alfred, king of the Anglo-Saxons, discovered the value of ...

Citing a law passed in the 19th century, attorneys for three former executives of Austal USA argue that the evidence gathered ...

Even if you agreed with the Trump administration’s deployment of California National Guard troops and United States Marines to Los Angeles to protect federal buildings and federal ICE agents earlier ...

A federal judge on Friday asked if the Trump administration's military deployment in Los Angeles violates the Posse Comitatus Act, which prohibits troops from conducting civilian law enforcement on ...

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 ...