Federal prosecutors alleged Ronaldo Ayala, reputed to be a powerful member of the Mexican Mafia prison gang, conspired with the Sinaloa cartel and offered to protect its notorious former leader, ...

San Diego police Lt. Arturo Swadener gives a briefing to reporters Tuesday regarding an operation that netted the arrests of dozens of gang members allegedly linked to the Mexican Mafia.

From behind prison walls, Mexican Mafia members directed gang members to extort local businesses by ordering owners to pay "taxes," according to prosecutors. San Diego County District Attorney ...

45-caliber handgun out the passenger-side window and shot Eduardo "Eddie Boy" Castro ... Mafia. Rocha said he asked Eduardo ...

San Diego has produced many Mexican Mafia members ... His representative in San Ysidro, Juan “Sleepy” Castro, oversaw loan-sharking and human smuggling operations in addition to selling ...

An expansive San Diego-area investigation into a gang whose tendrils spread into narcotics, weapons dealing, homicides and extortion led local and federal authorities to arrest dozens of people ...