The use of surveillance technology at the U.S.-Mexico border — such as radar, motion sensors, license plate readers and AI (artificial intelligence) systems that can make sense of it all — will greatly escalate in the upcoming months. The linchpin to this ramp-up of a “virtual border wall” will be to increase the number of surveillance towers. Customs & Border Patrol spokespeople say these towers help agents keep up with the high-tech strategies being utilized by cartels smuggling fentanyl and humans across the border — while decreasing the workload on field agents. READ MORE: Link in bio