Three men have been indicted for allegedly trying to obtain defense information and stolen military equipment from an undercover US government agent, federal prosecutors said. Amen Ahmed Ali, 56, received what he believed to be secret defense documents from the agent and sent them to Yemen by fax or courier on several occasions since last year, federal prosecutors said. Ali was arrested at his cigarette shop in Bakersfield about 180 kilometers north of Los Angeles, on Thursday. He was scheduled to appear before a federal magistrate in Bakersfield on Friday. The arrest came after a two-year operation and investigation.