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My Amicus Brief in the Geofence Warrant Case, United States v. Chatrie

The case will be argued April 27th.

Orin S. Kerr | 4.2.2026 4:26 PM

Yesterday, I submitted this brief as amicus curiae in United States v. Chatrie, the Supreme Court's case on the Fourth Amendment implications of geofencing and geofence warrants.  You can get all of the briefs and materials in the case here. I'll probably blog about the case over the next few weeks, but for now I just wanted to flag my amicus brief.  Here's the Summary of Argument:

The challenge of new technology is a recurring theme in Fourth Amendment law. This case raises a host of new and important questions, and this brief hopes to help frame the issues and provide........

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