Welcome to ‘the border-industrial complex’, where companies pitch Bond-style gadgets to officials – from remote-control guns to radar that can track migrantsThere were a couple of rocks on Carmi Peleg’s table, next to a small drone, but he did not really want to talk about them. Of course, they weren’t really rocks, but spy cameras, because this was the Border Security Expo, a surreal annual trade fair where surveillance companies flirt with US government officials in hopes of cashing in on the border technology bonanza.“They use [them] in police departments in the US,” Peleg said of his rock-cameras.