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82 Wash. & Lee L. Rev. Online 1 (2024-2025)

handle is hein.journals/waleelro82 and id is 1 raw text is: 










    Unfenced: The Fourth Circuit Gives

             Geofencing Its First Appellate

   Go-Ahead in United States v. Chatrie

                                    Jordan  Wallace-Wolf'

                         Abstract

    In United States v. Chatrie, the Fourth Circuit issued the
first federal appellate opinion on the Fourth Amendment status
of geofencing queries. The  opinion is significant because
geofences present a conceptual challenge to the framework of
Carpenter  v. United  States, the reigning Supreme  Court
precedent on the Fourth Amendment status of digital searches.
That opinion held that long-term tracking of a target individual
was a search. However, geofencing reveals information about an
indeterminate number of individuals for only a short time, in
virtue of their being at a target location during a target span of
time. Does the reasoning for the former holding in Carpenter
entail that the latter is a search, too? I argue that the answer is
no, unless Carpenter is given an ambitious interpretation. The
court in Chatrie refused to go that far, and so held that the
geofence at issue was not a search. I do not celebrate this result.
Instead, I think it illustrates the limitations of Carpenter,
doctrinally speaking, and the need to confront those limitations
with eyes open.


1


* Assistant Professor, University of Arkansas, Little Rock. Thanks to Terrence
Cain, participants in SEALS, Brian Owsley, and Nick Kahn-Fogel.

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