In May 2018, facing widespread outrage, the Department of Homeland Security (DHS) backed away from a proposal for machine learning technology to monitor immigrants continuously.

In the past few months, prosecutors have tried, juries have convicted, and judges have sentenced defendants from the height of the Islamic State’s power in 2014–15. Meanwhile, American law enforcement c...

The president’s statutory authorities regarding a proposed wall at the southern border are more generous than they might initially seem.

Don’t look now, but the United States Department of Justice just came perilously close to admitting that it engaged in disinformation about immigrants and terrorism in a formal government report.

Daniel Hemel and Eric Posner have harshly criticized William Barr’s memo on Special Counsel Robert Mueller’s obstruction of justice theory.

The final two months of 2018 have been a remarkably eventful period for observers of American civil-military relations—even for the Trump administration. In just the final two months of 2018, there was t...

Let’s start with a few modest propositions:

On Nov. 23, the Trump administration filed petitions with the Supreme Court for a writ of certiorari before judgment in three lawsuits challenging its ban on military service by transgender people, seeki...

In Carpenter v. United States, the Supreme Court held that the Fourth Amendment applies when the government acquires large amounts of cell-phone location data.

In a New York Times op-ed last Friday, we wrote that William Barr, who served as attorney general under President George H.W.

In a brief order on Dec. 21, the Supreme Court denied the Trump administration’s request for a stay of the preliminary injunction against the asylum ban issued earlier this week by Judge Jon Tigar of the...