u.k. waters. drones with automatic identification abilities. and while the companies tout their life saving capabilities. footage from the drones is used to identify those driving the boats and prosecute them for human trafficking. a new bill will take it further criminalizing anyone who seeks asylum in the u.k. this way. the technologies could be used for search and rescue. for finding boats faster, but the reality on the ground is the opposite. it is assisting powerful actors to sharpen their borders and make it more difficult for people to come and using surveillance. reporter: it follows a global trend in digitizing border security. the same century towers made by the american tech start-up andural that lined the u.s. mexico border have recently