The natural right to privacy is a fundamental human right that government needs to respect.

Lower courts are divided on the Fourth Amendment implications of a drug detection dog that jumps into a car on its own and then alerts to illegal drugs. I thought I would offer some thoughts on the ...

We close our series on the new Roberts Court and restoration of the Constitution’s original understanding with the issue most distant from the Framing: the rise of a new high-tech world. We now hold ...

A recent New York court case upheld a murder conviction despite claims that DNA evidence used violated the defendant’s Fourth Amendment rights. The case highlights ongoing legal questions about ...

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 ...

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 ...

Like many an incautious criminal, Okello Chatrie was nabbed because of his telephone use. The Virginia armed bank robber wasn’t tracked down based on wiretaps, logs of traditional landline calls, ...

Legal theory continues to lag behind the realities of modern technology, leaving Americans’ private data vulnerable to ...