Three of the four acts expired shortly after they were signed into law in the late 1700s. One remains active-and it's been at the center of constitutional debates ever since.

A federal appeals court ruled the Alien Enemies Act of 1798 can’t be used to deport members of Tren de Aragua, which has been a target of the Trump administration. The act was established to give ...

President Trump has invoked the 18th-century Alien Enemies Act to allow the federal government to detain or deport people from countries deemed foreign adversaries, including targeting cartels as ...

Prosecutors seeking to hold people they suspect cooperated in the Sept. 11 terrorist plots may turn anew to a very old weapon -- the Civil War-era law on sedition. Prosecutors have already cited the ...

Seditious behavior punishable by death. That's how President Trump responded to former military members and intelligence officials who are now current Congress members after they put out this video.