The use of drones is taking off in America.
Local governments and private businesses see them as a cheap and effective way of maintaining an eye from the sky.
But will the drones be fully under their control?
A college professor and his students say not necessarily.
A civilian drone aircraft was "hijacked" by Professor Todd Humphreys and his graduate students at the University of Texas at Austin.
They were able to hack into the drone's GPS signals.
Later, in an exercise done in conjunction with the Department of Homeland Security at White Sands, N.M., they … Read more