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, ...

Ronald "Temper" Sepulveda, whom Ayala referred to as "our main supporter," oversaw the reputed Mexican Mafia member's affairs in Riverside County, including the extortion of musicians, prosecutors ...

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 ...

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 ... in Marin County are co ...

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 ...

In Oakland, another case emerges of suspected pimps allegedly killing teen while trying to kill each other Allen Fong, 33, and his co-defendants are alleged members of the Mexican Mafia ...

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 ... in Marin County are co ...