OAKLAND Four men were indicted for allegedly running an illegal offshore gambling operation, federal authorities said. A 12-count indictment unsealed Tuesday charges two Americans and two Costa Rica residents with conspiracy and conducting an illegal gambling business, conspiracy to launder funds from the business and other federal charges. Richard Anderson, 62, of Los Angeles; Houshang Pourmohamad, 61, of Richmond, Calif.; and Darwin Mobley and Jorge Esteban Hall Zumbado, both of Costa Rica, were charged in the indictment. Pourmohamad was arrested on July 26 in Richmond and was scheduled to appear in court Sept. 12, according to the Internal Revenue Service,...