Plain Thinking Supplement 05 · June 30, 2026

Free supplement

Taking Geofence Location Data Is a Search

Chatrie v. United States

A supplement on the Supreme Court's geofence-warrant decision: what the Court decided, what remains open, and how the ruling fits after Google's Location History change.

Sample page

Sample first page of Plain Thinking Supplement 05

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What it covers

  • The Court's Fourth Amendment holding on Google Location History geofence data.
  • The geofence warrant package itself, including the application and three-step production process.
  • The warrant questions the Court left for the Fourth Circuit.
  • The separate opinions and lineup shaping the remand.
  • The source record behind the case, including docket materials and the slip opinion.

Access

Open the report in your browser, or download a copy for offline review.