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Police Using Drones for Security at Music Festival

Another example of drone use — and you don't need to own the drones.

It is a whole bunch cheaper than having a helicopter and in some ways, more flexible. See this story, Coachella: Police using army of drones to boost security in wake of Las Vegas massacre.

Eric Holdeman is a contributing writer for Emergency Management magazine and is the former director of the King County, Wash., Office of Emergency Management.