# Multimedia 

Multimedia 

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

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Audio 

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Media Highlights Radio • February 2, 2023 

# David J. Bier’s blog post, “CBP Has Found 40 Tunnels under Trump’s Border Wall,” is cited on KRMGs *Markley, Van Camp And Robbins*

##### Featuring 

[![David J. Bier](/sites/cato.org/files/styles/author_picture/public/2021-01/David%20Bier.jpg?itok=orT_ECKQ)](/people/david-bier) 

##### [David J. Bier](/people/david-bier)

Director, Immigration Studies, and The Selz Foundation Chair in Immigration Policy, Cato Institute

[ 

](https://x.com/David_J_Bier) [ 

](mailto:dbier@cato.org)