A look at various tools such as drones, sensors, and AI being deployed at the US-Mexico border, as a proposed "smart wall" garners bipartisan political support (Shirin Ghaffary/Vox)

Shirin Ghaffary / Vox:
A look at various tools such as drones, sensors, and AI being deployed at the US-Mexico border, as a proposed “smart wall” garners bipartisan political support  —  Here's what a so-called “smart wall” of technology at the US-Mexico border looks like.  —  Graphics by Javier Zarracina/Vox