border patrol investing in new radar to find them. >> official resignation shutdown over privacy concerns. and faces and crowds and invasion of privacy. finding criminals in pictures or videos. >> fox business alert, trade war fears dragging down the dow. >> checking how things are working. >> a lot of volatility on the markets as trade tensions escalate with china. the market came into pressure following news reports donald trump is preparing a plan that would curb exports to china and prevent chinese companies from investing in us tech firms which