Associated Press
This undated photo provided by the Mesa County, Colo., Sheriff's Department, Deputy Amanda Hill of the Mesa County Sheriff’s Office in Colorado prepares to use a Draganflyer X6 drone equipped with a video camera to help search for a suspect in a knife attack in Mesa County, Colo. Civilian cousins of the unmanned military aircraft that have been tracking and killing terrorists in the Middle East and Asia are being sought by police departments, border patrols, power companies, news organizations and others who want a bird’s-eye view. (AP Photo/Mesa County Sheriff's Unmanned Operations Team)

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