The Fourth Amendment doesn’t ask how you feel. It asks what a reasonable person would perceive. That’s not a technicality — ...

These libertarians with their prattling on about freedom and rights. They can be so tiresome. Please stop with the high dudgeon! Here’s an example of one such “freedom” person writing about open-ended ...

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 ...

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

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 ...

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 ...