# Multimedia 

Multimedia 

---

- [Podcasts](/podcasts)
- [Cato Video](/multimedia/cato-video)
- [Video Series](/search/category/video-series)
- [Events](/multimedia/events)

[ 

Download Episode 

](https://assets.pippa.io/shows/5e28e0d8963f166217546493/2e325e63-4d24-4c8f-ae36-4f09df6df001.mp3)Subscribe:

[ 

Apple Podcasts 

](http://itunes.apple.com/podcast/cato-daily-podcast/id158961219) [ 

Spotify 

](https://open.spotify.com/show/4dHRhKEljj8zcLdl3Gvsv7) 

Cato Weekly Podcast • February 8, 2022 

# Police Conduct Warrantless Surveillance with Stingrays and Fudge Facts When Confronted 

Police use “cell site simulators” to gather cellphone data and it’s rarely done under the authority of a warrant. Nondisclosure agreements local police sign at the behest of the federal government mean cops are regularly less than truthful when confronted in court. Nathan Freed Wessler of the ACLU discusses his work to try to learn what exactly is going on.

[![Creative Commons License](/build/cato_2020/images/creative-commons.svg)](http://creativecommons.org/licenses/by-nc-sa/4.0/) 
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 

![Nathan Wessler headshot](/sites/cato.org/files/styles/author_picture/public/2023-05/nate-wessler-Cropped.jpg?itok=2uBKZIlV) 

##### Nathan Wessler 

Deputy Director, Speech, Privacy, and Technology Project, American Civil Liberties Union

[ 

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

[![Square face shot of Caleb O. Brown.](/sites/cato.org/files/styles/author_picture/public/2021-01/cbrown_sq.jpg?itok=zSWLm8kR)](/people/caleb-o-brown) 

##### [Caleb O. Brown](/people/caleb-o-brown)

Former Director of Multimedia, Host and Executive Producer, *Cato Daily Podcast*, Cato Institute