A drone and a robotic canine revealed misplaced secrets and techniques of Alcatraz

Armed with robots, lasers, and specialised drones, Pete Kelsey and his staff 3D-mapped all of Alcatraz Island, having access to areas beforehand off limits. Over the course of 13 months, the staff unveiled particulars across the well-known 1962 jail escape and created new fashions that would assist strengthen the island in opposition to threats from local weather change. #alcatraz #droneshot #cnn #cnnnews #crime #crimestory