A Mexican Federal Police officer stands guard in a neighborhood on the outskirts of Juárez. Residents said some of their neighbors had left when the Sinaloa and Juárez cartels fought during some of the worst years of the violence. March 15, 2009 (Lorne Matalon)
Grayson has chronicled other examples of U.S. authorities paying informants inside the Mexican underworld.
A recently concluded trial in El Paso, Texas, has revealed the inner workings of how the Juarez Cartel used sophisticated communication technology to orchestrate murders, while United States law enforcement and intelligence operatives eavesdropped on calls between the killers. This came out while the prosecution was making its case against Arturo “Benny” Gallegos.
On Tuesday investigative reporter Jason McGahan was interviewed by Marfa Public Radio/West Texas Public Radio Fronteras Desk reporter Lorne Matalon about his work on this case.