Drones, Outfitted Trailers, and 10,000 Cameras: a Visit to Maru Campos’s “Mini-Pentagon” in Chihuahua “Sol Prendido” for Borderland Beat  Following the controversy sparked by the presence of CIA agents in Chihuahua—a presence revealed by the deaths of two agents in a road accident—the state government is currently assessing the legal propriety of allowing U.S. security agencies to be stationed on the 18th floor of the Centinela Tower. As recently as April 13, Chihuahua’s Secretary of Public Security, Gilberto Loya, announced that U.S.