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, ...

An incarcerated San Mateo man was one of five alleged gang members federally indicted on racketeering and drug offenses that were carried out by the Mexican Mafia prison gang, the U.S. Department ...

Criminal charges were announced Tuesday against dozens of defendants who allegedly committed a host of violent crimes throughout San Diego County at the behest of the Mexican Mafia. Prosecutors ...