A model of a military-style drone stands outside the Alameda County Administration Building in Oakland, Calif., on Thursday, Feb. 14, 2013, before the start of a hearing on the Alameda County sheriff's plan to acquire a drone for aerial enforcement. (AP Photo/The Contra Costa Times, D. Ross Cameron)

Photo by: D. Ross Cameron

A model of a military-style drone stands outside the Alameda County Administration Building in Oakland, Calif., on Thursday, Feb. 14, 2013, before the start of a hearing on the Alameda County sheriff's plan to acquire a drone for aerial enforcement. (AP Photo/The Contra Costa Times, D. Ross Cameron)