Unmanned aircraft systems are the technology solution federal officers on the southern border want to see the Trump administration and Congress adopt. Officials representing companies in the industry say Department of Homeland Security officials have approached them about implementing this type of flying robot at the border. But first, those federal workers need the go-ahead from Congress. Homeland security employees are taking matters into their own hands and seeking out companies they believe can help them. They have quietly been in talks with drone companies, sharing what they need on the front lines and learning what capabilities already exist.