The warrant requirement is still in the Constitution, and Congress still has the authority to restore it.

On April 27th, the Supreme Court will hear oral argument in Chatrie v. United States, on the Fourth Amendment implications of geofencing. I have already posted the amicus brief I wrote for the Court ...

Police in Virginia located a suspect by demanding location-specific cell phone data from Google. Did that violate his constitutional rights? It’s been a few years since the Supreme Court heard a major ...