Attack of the drones: the mystery of disappearing swarms in the US midwest, Drones (non-military)

When groups of sinister drones began hovering over homes in America’s Midwest, the FBI, US Air Force and 16 police forces set up a task force. But the drones vanished. Did they even exist? Amelia Tait investigates

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Attack of the drones: the mystery of disappearing swarms in the US midwest, Drones (non-military)

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Attack Of The Drones: The Mystery Of Disappearing Swarms In The US Midwest Drones (non-military) The Guardian