Mexican drug cartels have conducted more than 9,000 drone flights into U.S. airspace in the last year to surveil American law enforcement and security operations in the southern border region, a senior Homeland Security official told Judicial Watch this week. The drones are observing federal, state, county, and city agencies near the Mexican border, including the U.S. Border Patrol, Texas Department of Public Safety, Texas National Guard, county sheriffs and local police. The Border Patrol, which operates under Customs and Border Protection (CBP), has captured about a dozen of the drones, and accessed the Unmanned Aerial Vehicles’ (UAVs) guidance and...