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 — ...

The Fourth Amendment guarantees that every person shall be "secure in their persons, houses, papers, and effects, against unreasonable searches and seizures." This means government agents cannot enter ...

The Supreme Court on Friday afternoon added four new cases, on topics ranging from the Fourth Amendment to federal preemption ...

The Supreme Court’s review of United States v. Chatrie puts geofence warrants and mass digital data seizures under Fourth Amendment scrutiny, raising urgent questions about particularity, AI-driven ...

A Republican congressman last week highlighted an oft-overlooked threat to the privacy of all Americans: The federal government's practice of purchasing citizens' private market data (PMD) from data ...

Fourth Amendment rights and religious freedom were the main arguments during a court hearing in the legal battle over migrant documents between the Texas Attorney General's Office and El Paso's ...

The Fourth Amendment secures American citizens (and their property) from warrantless searches and seizures. However, the federal government has devised a scheme to dodge those protections and to ...

Journal Editorial Report: The week's best and worst from Kim Strassel, Bill McGurn, Allysia Finley and Dan Henninger. Images: AP/Getty Images/Zuma Press Composite: Mark Kelly There is no shortage of ...

The circuit split might just persuade the U.S. Supreme Court to take up the matter, breaking its now six-year hiatus from hearing Fourth Amendment cases. In the span of two months, the Fourth and ...

Paul G. Summers, a lawyer, is a former appellate and senior judge, district attorney general, and the attorney general of Tennessee. The U.S. Constitution is the supreme law of America. Amendments are ...

The Federalist Society produced a webinar recently that I found fascinating, not only because I was a panelist. There was a marked divergence of opinion on Fourth Amendment law. I believe I know where ...