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Cato Video • January 25, 2012 

# A Unanimous Privacy Victory in *U.S. v. Jones*

In *U.S. v. Jones*, the Supreme Court has held that attaching a GPS device to a vehicle and then using the device to monitor the vehicle’s movements constitutes a search under the Fourth Amendment. What does this case mean for broader privacy protections under the Fourth Amendment? The Cato Institute’s Jim Harper and Julian Sanchez assess the ruling. 

Video produced by Caleb O. Brown and Austin Bragg. 

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This work is licensed under a [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-nc-sa/4.0/). 

##### Featuring 

[![Julian Sanchez](/sites/cato.org/files/styles/author_picture/public/2021-01/Julian%20Sanchez.jpg?itok=TOVwbG_X)](/people/julian-sanchez) 

##### [Julian Sanchez](/people/julian-sanchez)

Former Senior Fellow

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](https://twitter.com/normative) 

[![Media Name: harper.jpg](/sites/cato.org/files/styles/author_picture/public/authors/crops/harper.jpg?itok=I_0322Oq)](/people/jim-harper) 

##### [Jim Harper](/people/jim-harper)

Nonresident Senior Fellow, American Enterprise Institute

[ 

](https://twitter.com/Jim_Harper) [ 

](mailto:jharper@cato.org)