Spooks on the Rio: U.S. Spy Agencies’ Little Known Homeland Security Role

CIA, DIA, FBI, satellites, military play major parts in U.S.-based globe-spanning network

In 2017, an informant for the Texas Department of Public Safety inside Mexico reported that three suspected Pakistani al-Qaeda operatives were about to cross the border. The alarming report landed on my desk because I worked for DPS’s Intelligence and Counterterrorism Division, where I managed an analytical team that worked such threat matters alongside…