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cnn segall drones boston_00004402.jpg
cnn segall drones boston_00004402.jpg

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    Drones to fly over Boston Marathon?

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Drones to fly over Boston Marathon?

CNN's Laurie Segall reports on how small drones can be used to save lives.

Drones to fly over Boston Marathon?

CNN's Laurie Segall reports on how small drones can be used to save lives.