Those questions do not have clean answers. But the instinct underlying the Fourth Amendment remains surprisingly stable ...

An officer was not entitled to qualified immunity because the Fourth Amendment right at issue was clearly established at the time the constitutional violation occurred, the 4th Circuit ruled.

I have posted a revised version of my draft paper, Data Scanning and the Fourth Amendment. It adds a bunch of new cases, including the various opinions from the Fourth Circuit's en banc ruling in ...

Some of the recent legal challenges to the use of surveillance by the Department of Homeland Security upon Americans have ...

Some justices seemed to advocate for a relatively narrow ruling that would clarify what such warrants require, even if it ...

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 ...

A crucial question of Fourth Amendment law has recently divided courts: When government agents conduct a digital scan through a massive database, how much of a "search" occurs? The issue pops up in ...

In September, the Supreme Court rendered obsolete the Fourth Amendment’s prohibition on suspicionless seizures by the police. When the court stayed the district court’s decision in Noem v. Vasquez ...