Probable cause is important in two aspects of criminal law: Police must have probable cause before they search a person or property, and before they arrest a person. The court must find that there is ...

The Case v. Montana decision replaces the Fourth Amendment’s “probable cause” requirement with “objective reasonableness” when officers believe someone is in danger.

Some conservatives might want to excuse it, but across the country, most egregiously in Minneapolis, federal law enforcement officers are blatantly violating the Fourth Amendment. That amendment ...

The Fourth Amendment’s warrant requirement boasts plenty of exceptions, and the practitioners must routinely ask the U.S. Supreme Court to consider the parameters of these exceptions. Continuing the ...

A federal judge in Chicago heard oral arguments Friday on a motion filed by immigration and civil rights attorneys in March against the U.S. Department of Homeland Security and U.S. Immigration and ...