We’re Asking the Ninth Circuit to Hold Reverse Location Warrants Categorically Unconstitutional

November 4, 2026 · 8:26 pm 1 sources

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• We’re Asking the Ninth Circuit to Hold Reverse Location Warrants Categorically Unconstitutional
  This article was originally published by the Electronic Frontier Foundation (CC BY). · November 4, 2026 20:26
  Yesterday, along with the ACLU, EFF filed an amicus brief in the Ninth Circuit court of appeals in United States v. Spurlock , a case involving a “tower dump” warrant. These overbroad warrants require cellular providers to turn over location data about every phone in a given area at a given time.…