There were two helicopters involved, border patrol and tucson police. They also phoned into the FAA as it was going down. They also made visual contact with th

There were two helicopters involved, border patrol and tucson police. They also phoned into the FAA as it was going down. They also made visual contact with the light on the underside of the drone: "From what I can tell just from its position light, you know, I would have to imagine it was larger than a quadcopter"