Unmanned aerial vehicles, also called UAVs or Drones, became famous for their lethal robotic airstrikes against terrorists in Pakistan, Yemen, Afghanistan and other third world trouble spots. But drones, specifically the General Atomics MQ-9 Reaper, popularly called the Predator, are being used for aerial surveillance along the US Mexico border. These photos were made when US Customs and Border Protection rolled the Predators out for the first time.