Tech Eye 
June 25, 2012
London residents may be concerned about the military sticking missiles on top of their roofs over the Olympics, but that might not be only danger from the skies at the Games.
According to Professor Robert Dewar, former Emeritus Professor at New York University and founder of software firm AdaCore, rumoured plans to use unmanned aerial drones to monitor crowds at the events could have catastrophic consequences.
He believes that there are concerns that unmanned aircraft could malfunction if the software code used in operating them is not up to a sufficiently high standard.
“We do have to worry about them falling down on somebody’s head,” he said, speaking with TechEye. “The repercussions from an accident of that kind at the Olympics would be huge, it would set back the cause for using drones for surveillance indefinitely, I would expect.”
“The consequences of misjudging it are very significant,” Dewar said. “If someone was to be injured due to a drone crashing, it would really be a major issue, and the Olympics would be remembered for that incident.”
While there has been no official confirmation that drones will be used by the police to monitor crowds during the games, there has been speculation in the press, and Dewar is concerned that without proper planning the drones could present a risk.