Constitutional law is complicated in many areas. This is not one of them.

Federal law gives immigration agents the authority to arrest and detain people believed to have violated immigration law. But everyone — including immigrants suspected of being in the U.S. illegally — ...

Since the republic’s beginning, it has been uncontested law that to invade someone’s home, the government needs a warrant ...

Suppose the police want to get illegal drugs off the streets. So they begin stopping pedestrians at gunpoint, shoving them against walls, frisking them, and searching their belongings. They also force ...

Most concerning is that they can requisition these data without ever having to get a probable cause-based warrant, as ...